{"id":180967,"date":"2026-08-17T08:57:04","date_gmt":"2026-08-17T08:57:04","guid":{"rendered":"https:\/\/pabau.com\/?p=180967"},"modified":"2026-08-17T09:51:20","modified_gmt":"2026-08-17T09:51:20","slug":"icd-10-code-s66292d","status":"publish","type":"post","link":"https:\/\/pabau.com\/de\/diagnostic-codes\/icd-10-code-s66292d\/","title":{"rendered":"ICD-10 code S66.292D: Left thumb extensor injury, subsequent encounter"},"content":{"rendered":"\n<script type=\"application\/ld+json\">{\"@context\":\"https:\/\/schema.org\",\"@type\":\"MedicalWebPage\",\"headline\":\"ICD-10 code S66.292D: Left thumb extensor injury, subsequent encounter\",\"description\":\"ICD-10 code S66.292D covers other specified injury of extensor muscle, fascia and tendon of the left thumb at wrist and hand level, subsequent encounter. Learn the 7th character rules, code hierarchy, related codes, and documentation requirements.\",\"url\":\"https:\/\/pabau.com\/diagnostic-codes\/icd-10-code-s66292d\/\",\"audience\":{\"@type\":\"MedicalAudience\",\"audienceType\":\"Clinician\"},\"reviewedBy\":{\"@type\":\"Person\",\"name\":\"Dr Vanja Kitanova\",\"jobTitle\":\"Medical Reviewer\",\"affiliation\":{\"@type\":\"Organization\",\"name\":\"Pabau\"},\"knowsAbout\":[\"Medical Coding\",\"Clinical Documentation\",\"Healthcare Billing\",\"Clinical Safety\"],\"sameAs\":\"https:\/\/pabau.com\/blog\/author\/vanja\/\"},\"datePublished\":\"2026-01-15\",\"dateModified\":\"2026-08-17\"}<\/script>\n\n\n        <div id=\"key_takeaways\">\n            <div class=\"header\">\n                                    <img decoding=\"async\" src=\"https:\/\/pabau.com\/wp-content\/uploads\/2025\/12\/Key-Takeaways-Icon.svg\" alt=\"Key takeaways\" height=\"42\" width=\"42\">\n                                <h3>Key takeaways<\/h3>\n            <\/div>\n            <div class=\"list\">\n                                                            <div class=\"item\">\n                            <div>\n                                <svg width=\"20\" height=\"27\" viewBox=\"0 0 20 27\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\">\n                                    <path\n                                        d=\"M18.6223 14.3857C19.1246 13.8975 19.1246 13.1045 18.6223 12.6162L12.1938 6.36621C11.6915 5.87793 10.8759 5.87793 10.3737 6.36621C9.87143 6.85449 9.87143 7.64746 10.3737 8.13574L14.6125 12.2529H2.28571C1.57455 12.2529 1 12.8115 1 13.5029C1 14.1943 1.57455 14.7529 2.28571 14.7529H14.6085L10.3777 18.8701C9.87545 19.3584 9.87545 20.1514 10.3777 20.6396C10.8799 21.1279 11.6955 21.1279 12.1978 20.6396L18.6263 14.3896L18.6223 14.3857Z\"\n                                        fill=\"#3D3D46\" \/>\n                                <\/svg>\n                            <\/div>\n                            <p>S66.292D is the billable ICD-10-CM code for other specified injury of the left thumb&#8217;s extensor muscle, fascia and tendon, subsequent encounter<\/p>\n                        <\/div>\n                                                                                <div class=\"item\">\n                            <div>\n                                <svg width=\"20\" height=\"27\" viewBox=\"0 0 20 27\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\">\n                                    <path\n                                        d=\"M18.6223 14.3857C19.1246 13.8975 19.1246 13.1045 18.6223 12.6162L12.1938 6.36621C11.6915 5.87793 10.8759 5.87793 10.3737 6.36621C9.87143 6.85449 9.87143 7.64746 10.3737 8.13574L14.6125 12.2529H2.28571C1.57455 12.2529 1 12.8115 1 13.5029C1 14.1943 1.57455 14.7529 2.28571 14.7529H14.6085L10.3777 18.8701C9.87545 19.3584 9.87545 20.1514 10.3777 20.6396C10.8799 21.1279 11.6955 21.1279 12.1978 20.6396L18.6263 14.3896L18.6223 14.3857Z\"\n                                        fill=\"#3D3D46\" \/>\n                                <\/svg>\n                            <\/div>\n                            <p>The S66.2 subcategory covers extensor structures of the thumb only, so flexor injuries and whole-hand injuries belong elsewhere in S66<\/p>\n                        <\/div>\n                                                                                <div class=\"item\">\n                            <div>\n                                <svg width=\"20\" height=\"27\" viewBox=\"0 0 20 27\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\">\n                                    <path\n                                        d=\"M18.6223 14.3857C19.1246 13.8975 19.1246 13.1045 18.6223 12.6162L12.1938 6.36621C11.6915 5.87793 10.8759 5.87793 10.3737 6.36621C9.87143 6.85449 9.87143 7.64746 10.3737 8.13574L14.6125 12.2529H2.28571C1.57455 12.2529 1 12.8115 1 13.5029C1 14.1943 1.57455 14.7529 2.28571 14.7529H14.6085L10.3777 18.8701C9.87545 19.3584 9.87545 20.1514 10.3777 20.6396C10.8799 21.1279 11.6955 21.1279 12.1978 20.6396L18.6263 14.3896L18.6223 14.3857Z\"\n                                        fill=\"#3D3D46\" \/>\n                                <\/svg>\n                            <\/div>\n                            <p>The 7th character D means routine care during healing, not simply a second visit to the same provider<\/p>\n                        <\/div>\n                                                                                <div class=\"item\">\n                            <div>\n                                <svg width=\"20\" height=\"27\" viewBox=\"0 0 20 27\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\">\n                                    <path\n                                        d=\"M18.6223 14.3857C19.1246 13.8975 19.1246 13.1045 18.6223 12.6162L12.1938 6.36621C11.6915 5.87793 10.8759 5.87793 10.3737 6.36621C9.87143 6.85449 9.87143 7.64746 10.3737 8.13574L14.6125 12.2529H2.28571C1.57455 12.2529 1 12.8115 1 13.5029C1 14.1943 1.57455 14.7529 2.28571 14.7529H14.6085L10.3777 18.8701C9.87545 19.3584 9.87545 20.1514 10.3777 20.6396C10.8799 21.1279 11.6955 21.1279 12.1978 20.6396L18.6263 14.3896L18.6223 14.3857Z\"\n                                        fill=\"#3D3D46\" \/>\n                                <\/svg>\n                            <\/div>\n                            <p>S66.291D is the right thumb equivalent, and S66.299D applies when the record does not state which thumb was injured<\/p>\n                        <\/div>\n                                                                                <div class=\"item\">\n                            <div>\n                                <svg width=\"20\" height=\"27\" viewBox=\"0 0 20 27\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\">\n                                    <path\n                                        d=\"M18.6223 14.3857C19.1246 13.8975 19.1246 13.1045 18.6223 12.6162L12.1938 6.36621C11.6915 5.87793 10.8759 5.87793 10.3737 6.36621C9.87143 6.85449 9.87143 7.64746 10.3737 8.13574L14.6125 12.2529H2.28571C1.57455 12.2529 1 12.8115 1 13.5029C1 14.1943 1.57455 14.7529 2.28571 14.7529H14.6085L10.3777 18.8701C9.87545 19.3584 9.87545 20.1514 10.3777 20.6396C10.8799 21.1279 11.6955 21.1279 12.1978 20.6396L18.6263 14.3896L18.6223 14.3857Z\"\n                                        fill=\"#3D3D46\" \/>\n                                <\/svg>\n                            <\/div>\n                            <p>Practice management software like Pabau keeps laterality and encounter phase on the clinical note, so the claim carries the right code<\/p>\n                        <\/div>\n                                                <\/div>\n        <\/div>\n    \n\n\n<p class=\"wp-block-paragraph\">ICD-10-CM code S66.292D is the billable code for other specified injury of the left thumb&#8217;s extensor muscle, fascia and tendon. The site is the wrist and hand level, and the 7th character D marks a subsequent encounter. Use it when a patient returns for routine care while that thumb injury is still healing.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Two details in this code are easy to get wrong. It describes an extensor structure on the back of the thumb rather than a flexor structure in the palm. It is also specific to the thumb, so it never stands in for a generic hand injury.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The code has been valid for HIPAA-covered transactions since October 1, 2015. It remains active in the FY 2026 code set.<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe title=\"ICD-10 Revisions: Stay Updated or Fall Behind\" width=\"800\" height=\"450\" src=\"https:\/\/www.youtube.com\/embed\/bqAyb-BCA0w?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<h2 id=\"h-code-details-at-a-glance\" class=\"wp-block-heading\">Code details at a glance<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">According to the <a href=\"https:\/\/icd10cmtool.cdc.gov\/\" target=\"_blank\" rel=\"nofollow noopener\">CDC\/NCHS ICD-10-CM web tool<\/a>, the official full description reads as follows.<\/p>\n\n\n\n<table style=\"width:100%;border-collapse:separate;border-spacing:0;border-radius:12px;overflow:hidden;font-size:15px;line-height:1.5;margin:1.5em 0 2em;box-shadow:0 2px 12px rgba(0,0,0,0.08)\">\n<thead>\n<tr>\n<th style=\"background:#121D36;color:#fff;padding:14px 16px;text-align:left;font-weight:600;font-size:14px;letter-spacing:0.3px;border-bottom:2px solid #2BADD4\">Attribute<\/th>\n<th style=\"background:#121D36;color:#fff;padding:14px 16px;text-align:left;font-weight:600;font-size:14px;letter-spacing:0.3px;border-bottom:2px solid #2BADD4\">Detail<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr style=\"border-bottom:1px solid #E8ECF0\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">Code<\/td>\n<td style=\"padding:12px 16px;color:#374151\">S66.292D<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0;background:#F9FAFB\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">Full description<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Other specified injury of extensor muscle, fascia and tendon of left thumb at wrist and hand level, subsequent encounter<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">Short description<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Inj extensor musc\/fasc\/tend left thumb at wrs\/hnd lv, subs<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0;background:#F9FAFB\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">Billable\/specific<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Yes &#8211; valid for HIPAA-covered transactions<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">Code system<\/td>\n<td style=\"padding:12px 16px;color:#374151\">ICD-10-CM<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0;background:#F9FAFB\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">Effective dates<\/td>\n<td style=\"padding:12px 16px;color:#374151\">October 1, 2015 through FY 2026<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">Code category<\/td>\n<td style=\"padding:12px 16px;color:#374151\">S66 &#8211; Injury of muscle, fascia and tendon at wrist and hand level<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0;background:#F9FAFB\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">Injured structure<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Extensor muscle, fascia and tendon of the left thumb<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">Encounter type<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Subsequent encounter (7th character D)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\n<h2 id=\"h-what-s66-292d-describes\" class=\"wp-block-heading\">What S66.292D describes<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Every part of the description carries coding weight. Read it in four pieces.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>&#8222;Other specified injury&#8220;:<\/strong> the documented injury does not match a strain or a laceration, each of which has its own subcategory under S66.2.<\/li>\n\n\n<li><strong>&#8222;Extensor muscle, fascia and tendon&#8220;:<\/strong> the injured structure sits on the back of the thumb. Palm-side tendons are flexor structures and belong to S66.0.<\/li>\n\n\n<li><strong>&#8222;Of left thumb at wrist and hand level&#8220;:<\/strong> the thumb is the injured digit, and the injury sits at wrist and hand level.<\/li>\n\n\n<li><strong>&#8222;Subsequent encounter&#8220;:<\/strong> active treatment has already happened, and the patient is now in the healing or recovery phase.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Three tendons extend the thumb. Extensor pollicis longus straightens the tip, while extensor pollicis brevis and abductor pollicis longus work closer to the base. Extensor pollicis longus turns around Lister&#8217;s tubercle at the wrist. That is why a distal radius fracture can damage it weeks after the original break.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The distinction matters at the point of coding. If the tendon gave way without any new trauma, check the nontraumatic rupture codes in M66 before reaching for S66.2. Chapter 19 injury codes assume an injury event.<\/p>\n\n\n\n<h2 id=\"h-understanding-the-7th-character-a-d-and-s\" class=\"wp-block-heading\">Understanding the 7th character: A, D, and S<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Injury codes in Chapter 19 of ICD-10-CM need a 7th character to show the phase of care. Three options apply to S66.292.<\/p>\n\n\n\n<table style=\"width:100%;border-collapse:separate;border-spacing:0;border-radius:12px;overflow:hidden;font-size:15px;line-height:1.5;margin:1.5em 0 2em;box-shadow:0 2px 12px rgba(0,0,0,0.08)\">\n<thead>\n<tr>\n<th style=\"background:#121D36;color:#fff;padding:14px 16px;text-align:left;font-weight:600;font-size:14px;letter-spacing:0.3px;border-bottom:2px solid #2BADD4\">7th character<\/th>\n<th style=\"background:#121D36;color:#fff;padding:14px 16px;text-align:left;font-weight:600;font-size:14px;letter-spacing:0.3px;border-bottom:2px solid #2BADD4\">Full code<\/th>\n<th style=\"background:#121D36;color:#fff;padding:14px 16px;text-align:left;font-weight:600;font-size:14px;letter-spacing:0.3px;border-bottom:2px solid #2BADD4\">Encounter type<\/th>\n<th style=\"background:#121D36;color:#fff;padding:14px 16px;text-align:left;font-weight:600;font-size:14px;letter-spacing:0.3px;border-bottom:2px solid #2BADD4\">When to use<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr style=\"border-bottom:1px solid #E8ECF0\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">A<\/td>\n<td style=\"padding:12px 16px;color:#374151\">S66.292A<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Initial encounter<\/td>\n<td style=\"padding:12px 16px;color:#374151\">The patient is receiving active treatment. This covers the emergency visit, the first surgical repair, or the first splint.<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0;background:#F9FAFB\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">D<\/td>\n<td style=\"padding:12px 16px;color:#374151\">S66.292D<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Subsequent encounter<\/td>\n<td style=\"padding:12px 16px;color:#374151\">The patient is receiving routine care while the injury heals. This covers follow-up visits, splint checks, and hand therapy.<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">S<\/td>\n<td style=\"padding:12px 16px;color:#374151\">S66.292S<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Sequela<\/td>\n<td style=\"padding:12px 16px;color:#374151\">The acute phase has resolved and a late effect remains, such as an extensor lag, tendon adhesions, or a stiff joint.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\n<p class=\"wp-block-paragraph\">The most common error is keeping A on every follow-up visit. Per the <a href=\"https:\/\/www.cms.gov\/medicare\/coding-billing\/icd-10-codes\" target=\"_blank\" rel=\"nofollow noopener\">CMS ICD-10-CM coding guidelines<\/a>, D applies whenever the patient receives routine care during healing or recovery. A different provider does not reset the encounter to A.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Hand therapy after an extensor repair therefore stays on D for the whole rehab course. The same phase rule sets the 7th character on <a href=\"https:\/\/pabau.com\/diagnostic-codes\/icd-10-code-s63631d\/\">S63.631D<\/a> and every other Chapter 19 injury code.<\/p>\n\n\n\n<h2 id=\"h-clinical-scenarios-for-a-subsequent-encounter\" class=\"wp-block-heading\">Clinical scenarios for a subsequent encounter<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">S66.292D fits any visit where the left thumb extensor injury is documented and still healing. These are the presentations that reach the code most often.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>A post-operative review after extensor pollicis longus repair, once the surgical episode has moved into healing.<\/li>\n\n\n<li>Hand therapy for tendon glides, scar management, or splint progression after the initial treatment.<\/li>\n\n\n<li>A splint check or dressing change where the note records the thumb as healing as expected.<\/li>\n\n\n<li>Imaging ordered during recovery to confirm tendon continuity rather than to diagnose a new injury.<\/li>\n\n\n<li>A transfer of care where another practice performed the repair and your team now runs the follow-up.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">The clinical note, not the visit count, decides the 7th character. Hand therapy teams working in <a href=\"https:\/\/pabau.com\/industry\/occupational-therapy-software\/\">occupational therapy software<\/a> can carry the digit and the side from the referral into every follow-up note.<\/p>\n\n\n        <div id=\"pro_tip\">\n            <div class=\"img\">\n                <svg width=\"42\" height=\"42\" viewBox=\"0 0 42 42\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\">\n                    <path fill-rule=\"evenodd\" clip-rule=\"evenodd\"\n                        d=\"M12.6383 19.5238C12.6632 21.2071 12.8734 22.9926 12.0685 24.5523C11.0341 26.8917 8.45076 28.169 7.56292 30.5918C6.63082 33.1061 7.19505 36.185 9.31371 37.9786C10.929 39.5678 13.4183 39.9873 15.6061 39.5463C17.4592 39.073 19.1049 37.8388 19.9706 36.1608C20.781 34.7141 20.7866 32.9904 20.5293 31.3985C20.1006 29.3092 18.3775 27.8705 16.9807 26.362C14.8814 24.1005 14.6684 20.6854 15.595 17.8915C16.4331 15.4768 19.0026 14.2344 20.0425 11.9461C20.7202 10.6769 20.7506 9.20327 20.6068 7.81304C20.1864 5.40098 18.3139 3.23631 15.8716 2.56674C13.9742 2.03969 11.8224 2.30052 10.1739 3.37614C8.70522 4.34688 7.5878 5.86618 7.28356 7.58178C6.76081 9.82981 7.53525 12.2822 9.20307 13.9118C10.7658 15.4741 12.4806 17.2273 12.6383 19.5238Z\"\n                        fill=\"#2BADD4\" \/>\n                    <path fill-rule=\"evenodd\" clip-rule=\"evenodd\"\n                        d=\"M22.7048 19.8387C22.6822 22.3279 24.4507 24.6234 26.7493 25.4682C28.0531 25.961 29.4725 25.9183 30.7989 25.5487C32.0575 24.9955 33.301 24.2237 34.0069 23.0092C34.8384 21.5811 35.2982 19.8286 34.7832 18.2094C34.3611 16.2507 32.8739 14.6541 31.0275 13.9426C28.6736 12.9595 25.8073 13.7942 24.1719 15.7001C23.2022 16.8366 22.6143 18.3326 22.7048 19.8387Z\"\n                        fill=\"#2BADD4\" \/>\n                <\/svg>\n            <\/div>\n            <div class=\"text\">\n                <h3>Pro Tip<\/h3>\n                <p>Read the assessment line before you pick the 7th character. Wording about a healing extensor repair and continued hand therapy points to a subsequent encounter. Wording about a new laceration over the left thumb points to an initial encounter. One clear line protects the claim from a 7th-character denial.<\/p>\n            <\/div>\n        <\/div>\n    \n\n\n<h2 id=\"h-code-hierarchy-from-chapter-to-billable-code\" class=\"wp-block-heading\">Code hierarchy: From chapter to billable code<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">ICD-10-CM places S66.292D at the end of a seven-step path. Each step narrows the structure, then the digit, then the side, and finally the phase of care. Per the <a href=\"https:\/\/www.aapc.com\/codes\/icd-10-codes-range\/\" target=\"_blank\" rel=\"nofollow noopener\">AAPC ICD-10-CM code reference<\/a>, only the full 7-character code is billable. Everything above it is a non-billable header.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>S00-T88:<\/strong> Injury, poisoning and certain other consequences of external causes (chapter)<\/li>\n\n\n<li><strong>S60-S69:<\/strong> Injuries to the wrist, hand and fingers (body region block)<\/li>\n\n\n<li><strong>S66:<\/strong> Injury of muscle, fascia and tendon at wrist and hand level (category)<\/li>\n\n\n<li><strong>S66.2:<\/strong> Injury of extensor muscle, fascia and tendon of thumb at wrist and hand level (subcategory)<\/li>\n\n\n<li><strong>S66.29:<\/strong> Other specified injury of extensor muscle, fascia and tendon of thumb at wrist and hand level<\/li>\n\n\n<li><strong>S66.292:<\/strong> Other specified injury of extensor muscle, fascia and tendon of left thumb at wrist and hand level (non-billable)<\/li>\n\n\n<li><strong>S66.292D:<\/strong> Subsequent encounter (billable, valid for claims submission)<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Submitting S66.292 without the 7th character will produce a claim rejection. ICD-10-CM requires the full 7-character code for every injury code in the S00-T88 chapter. A fracture code such as <a href=\"https:\/\/pabau.com\/diagnostic-codes\/icd-10-code-s42302k\/\">S42.302K<\/a> works the same way, though its 7th character set runs wider than A, D, and S.<\/p>\n\n\n\n<h2 id=\"h-related-and-sibling-codes-for-thumb-extensor-injuries\" class=\"wp-block-heading\">Related and sibling codes for thumb extensor injuries<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Selecting S66.292D correctly means knowing which siblings sit beside it. Within S66.29, the 6th character carries the laterality. A 1 means right thumb, a 2 means left thumb, and a 9 means unspecified thumb. When the record never names a side, <a href=\"https:\/\/pabau.com\/diagnostic-codes\/icd-10-code-s66299d\/\">S66.299D<\/a> is the fallback.<\/p>\n\n\n\n<table style=\"width:100%;border-collapse:separate;border-spacing:0;border-radius:12px;overflow:hidden;font-size:15px;line-height:1.5;margin:1.5em 0 2em;box-shadow:0 2px 12px rgba(0,0,0,0.08)\">\n<thead>\n<tr>\n<th style=\"background:#121D36;color:#fff;padding:14px 16px;text-align:left;font-weight:600;font-size:14px;letter-spacing:0.3px;border-bottom:2px solid #2BADD4\">Code<\/th>\n<th style=\"background:#121D36;color:#fff;padding:14px 16px;text-align:left;font-weight:600;font-size:14px;letter-spacing:0.3px;border-bottom:2px solid #2BADD4\">Description<\/th>\n<th style=\"background:#121D36;color:#fff;padding:14px 16px;text-align:left;font-weight:600;font-size:14px;letter-spacing:0.3px;border-bottom:2px solid #2BADD4\">Laterality<\/th>\n<th style=\"background:#121D36;color:#fff;padding:14px 16px;text-align:left;font-weight:600;font-size:14px;letter-spacing:0.3px;border-bottom:2px solid #2BADD4\">Encounter<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr style=\"border-bottom:1px solid #E8ECF0\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">S66.292A<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Other specified injury of extensor muscle, fascia and tendon of left thumb at wrist and hand level<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Left thumb<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Initial<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0;background:#F9FAFB\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">S66.292D<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Other specified injury of extensor muscle, fascia and tendon of left thumb at wrist and hand level<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Left thumb<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Subsequent<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">S66.292S<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Other specified injury of extensor muscle, fascia and tendon of left thumb at wrist and hand level<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Left thumb<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Sequela<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0;background:#F9FAFB\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">S66.291A<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Other specified injury of extensor muscle, fascia and tendon of right thumb at wrist and hand level<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Right thumb<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Initial<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">S66.291D<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Other specified injury of extensor muscle, fascia and tendon of right thumb at wrist and hand level<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Right thumb<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Subsequent<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0;background:#F9FAFB\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">S66.291S<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Other specified injury of extensor muscle, fascia and tendon of right thumb at wrist and hand level<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Right thumb<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Sequela<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">S66.299D<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Other specified injury of extensor muscle, fascia and tendon of unspecified thumb at wrist and hand level<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Unspecified thumb<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Subsequent<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\n<p class=\"wp-block-paragraph\">There is no hand-level laterality option anywhere in S66.2. Codes elsewhere in the same block do record it, such as <a href=\"https:\/\/pabau.com\/diagnostic-codes\/icd-10-code-s65301d\/\">S65.301D<\/a> for the right hand.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">If the record describes a whole-hand injury rather than a thumb injury, the code belongs in a different subcategory. The table below covers the neighbors that get picked by mistake.<\/p>\n\n\n\n<table style=\"width:100%;border-collapse:separate;border-spacing:0;border-radius:12px;overflow:hidden;font-size:15px;line-height:1.5;margin:1.5em 0 2em;box-shadow:0 2px 12px rgba(0,0,0,0.08)\">\n<thead>\n<tr>\n<th style=\"background:#121D36;color:#fff;padding:14px 16px;text-align:left;font-weight:600;font-size:14px;letter-spacing:0.3px;border-bottom:2px solid #2BADD4\">Code range<\/th>\n<th style=\"background:#121D36;color:#fff;padding:14px 16px;text-align:left;font-weight:600;font-size:14px;letter-spacing:0.3px;border-bottom:2px solid #2BADD4\">Description<\/th>\n<th style=\"background:#121D36;color:#fff;padding:14px 16px;text-align:left;font-weight:600;font-size:14px;letter-spacing:0.3px;border-bottom:2px solid #2BADD4\">Choose it instead when<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr style=\"border-bottom:1px solid #E8ECF0\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">S66.0-<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Injury of long flexor muscle, fascia and tendon of thumb at wrist and hand level<\/td>\n<td style=\"padding:12px 16px;color:#374151\">The injured tendon is on the palm side of the thumb.<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0;background:#F9FAFB\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">S66.1-<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Injury of flexor muscle, fascia and tendon of other and unspecified finger at wrist and hand level<\/td>\n<td style=\"padding:12px 16px;color:#374151\">A flexor tendon of a finger other than the thumb is injured.<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">S66.21-, S66.22-<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Strain or laceration of extensor muscle, fascia and tendon of thumb at wrist and hand level<\/td>\n<td style=\"padding:12px 16px;color:#374151\">The note documents a strain or a laceration by name.<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0;background:#F9FAFB\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">S66.3-<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Injury of extensor muscle, fascia and tendon of other and unspecified finger at wrist and hand level<\/td>\n<td style=\"padding:12px 16px;color:#374151\">The extensor injury involves a finger rather than the thumb.<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">S66.4-, S66.5-<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Injury of intrinsic muscle, fascia and tendon of thumb or of other finger<\/td>\n<td style=\"padding:12px 16px;color:#374151\">The injury involves an intrinsic hand muscle rather than an extensor tendon.<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0;background:#F9FAFB\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">S66.8-, S66.9-<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Injury of other specified or unspecified muscles, fascia and tendons at wrist and hand level<\/td>\n<td style=\"padding:12px 16px;color:#374151\">The documentation supports a hand-level injury with right or left hand laterality.<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">S63.6-<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Sprain of thumb or finger joints<\/td>\n<td style=\"padding:12px 16px;color:#374151\">The injury is a ligament sprain, such as a skier&#8217;s thumb, rather than a tendon injury.<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0;background:#F9FAFB\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">M65.4<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Radial styloid tenosynovitis (de Quervain&#8217;s)<\/td>\n<td style=\"padding:12px 16px;color:#374151\">The thumb tendon problem is inflammatory and nontraumatic.<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">M66.2-<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Spontaneous rupture of extensor tendons<\/td>\n<td style=\"padding:12px 16px;color:#374151\">The tendon ruptured without a traumatic event.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\n<p class=\"wp-block-paragraph\">De Quervain&#8217;s cases are a frequent crossover, since they involve the same first dorsal compartment tendons. The <a href=\"https:\/\/pabau.com\/diagnostic-codes\/icd-10-code-m654\/\">M65.4<\/a> guidance explains why that presentation stays in Chapter 13. Practices treating hand injuries should confirm the side and the digit from the referring provider&#8217;s notes before applying S66.292D.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Transfer notes from another facility often omit the affected side. Review <a href=\"https:\/\/pabau.com\/blog\/physical-therapy-clinic-requirements-in-arizona\/\">physical therapy clinic requirements<\/a> for the documentation standards that apply in those handoffs. A <a href=\"https:\/\/pabau.com\/industry\/physical-therapy-emr\/\">physical therapy EMR<\/a> that links the referring diagnosis to the billing encounter cuts laterality errors at source.<\/p>\n\n\n\n<h2 id=\"h-approximate-synonyms-and-index-terms\" class=\"wp-block-heading\">Approximate synonyms and index terms<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The ICD-10-CM alphabetic index and approximate synonym lists help coders map clinical language onto a code. For S66.292D, the following phrases from operative reports and therapy notes all route to this code.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Injury of extensor muscle of left thumb, subsequent encounter<\/li>\n\n\n<li>Injury of extensor tendon of left thumb, subsequent encounter<\/li>\n\n\n<li>Injury of extensor fascia of left thumb, subsequent encounter<\/li>\n\n\n<li>Left extensor pollicis longus tendon injury, follow-up visit<\/li>\n\n\n<li>Left thumb extensor mechanism injury, healing phase<\/li>\n\n\n<li>Other specified injury of left thumb extensor tendon at wrist level, subsequent encounter<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">These synonyms do not change the billable code. They are index references that point to it. When a note reads &#8222;left thumb extensor tendon contusion, follow-up visit&#8220;, the index routes that language to S66.292D. Consistent wording across <a href=\"https:\/\/pabau.com\/features\/medical-records-management\/\">client records<\/a> removes the manual crosswalk step for coders.<\/p>\n\n\n\n<h2 id=\"h-documentation-requirements-for-s66-292d\" class=\"wp-block-heading\">Documentation requirements for S66.292D<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Denials for S66.292D fall into four predictable patterns, and each traces back to an incomplete clinical note. Fixing them in the documentation workflow prevents the denial before submission.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Digit and side (left thumb):<\/strong> the note must name the left thumb. &#8222;The affected hand&#8220; or &#8222;the injured side&#8220; will not survive automated adjudication, and &#8222;left hand&#8220; is not specific enough for this code.<\/li>\n\n\n<li><strong>Structure type (extensor muscle, fascia, or tendon):<\/strong> the note should identify the extensor structure involved. &#8222;Soft tissue injury of the hand&#8220; is too vague and invites a downcode.<\/li>\n\n\n<li><strong>Encounter phase (subsequent):<\/strong> record that the visit is follow-up care during healing. A line such as &#8222;presents for routine review, extensor repair healing satisfactorily&#8220; establishes the D character.<\/li>\n\n\n<li><strong>Injury specificity (other specified):<\/strong> this code sits in the &#8222;other specified&#8220; subcategory. Describe the nature of the injury so an auditor can see why a strain or laceration code was not used.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Practices focused on hand and wrist rehabilitation build a documentation prompt into the EHR that captures digit, side, and phase at every visit. A <a href=\"https:\/\/pabau.com\/templates\/hand-pain-diagrams\/\">hand pain diagram<\/a> in the note makes the injured digit unambiguous. <a href=\"https:\/\/pabau.com\/blog\/hipaa-compliance-for-medical-offices\/\">HIPAA compliance<\/a> rules still govern that record, so keep it accurate and audit-ready.<\/p>\n\n\n\n<h2 id=\"h-common-coding-errors-to-watch-for\" class=\"wp-block-heading\">Common coding errors to watch for<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">S66.292D attracts a specific cluster of mistakes, and most come from misreading the code title rather than the chart. These are the six worth auditing for.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Coding a flexor injury here.<\/strong> S66.2 covers extensor structures only. A long flexor injury of the thumb belongs to S66.0.<\/li>\n\n\n<li><strong>Reading &#8222;left hand&#8220; into the code.<\/strong> Laterality in S66.2 is recorded by thumb, not by hand. Hand-level laterality only exists in S66.8 and S66.9.<\/li>\n\n\n<li><strong>Applying it to another digit.<\/strong> An extensor injury of the index or ring finger is S66.3, not S66.29.<\/li>\n\n\n<li><strong>Leaving the 7th character off.<\/strong> S66.292 is a header code and will reject before it reaches the payer.<\/li>\n\n\n<li><strong>Keeping A through rehabilitation.<\/strong> Once active treatment ends, therapy and review visits move to D.<\/li>\n\n\n<li><strong>Coding a nontraumatic problem as an injury.<\/strong> De Quervain&#8217;s tenosynovitis and spontaneous tendon rupture sit in Chapter 13, not Chapter 19.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">An annual audit of thumb and finger codes catches most of these in one pass. Pull every S66 claim from the past year and check the digit named in the note against the digit named in the code.<\/p>\n\n\n\n<h2 id=\"h-commonly-paired-cpt-codes-for-follow-up-care\" class=\"wp-block-heading\">Commonly paired CPT codes for follow-up care<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A subsequent encounter diagnosis usually appears alongside evaluation, therapy, or splinting services rather than a repair. The codes below are the ones that pair with S66.292D most often.<\/p>\n\n\n\n<table style=\"width:100%;border-collapse:separate;border-spacing:0;border-radius:12px;overflow:hidden;font-size:15px;line-height:1.5;margin:1.5em 0 2em;box-shadow:0 2px 12px rgba(0,0,0,0.08)\">\n<thead>\n<tr>\n<th style=\"background:#121D36;color:#fff;padding:14px 16px;text-align:left;font-weight:600;font-size:14px;letter-spacing:0.3px;border-bottom:2px solid #2BADD4\">CPT code<\/th>\n<th style=\"background:#121D36;color:#fff;padding:14px 16px;text-align:left;font-weight:600;font-size:14px;letter-spacing:0.3px;border-bottom:2px solid #2BADD4\">Service<\/th>\n<th style=\"background:#121D36;color:#fff;padding:14px 16px;text-align:left;font-weight:600;font-size:14px;letter-spacing:0.3px;border-bottom:2px solid #2BADD4\">Typical use with S66.292D<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr style=\"border-bottom:1px solid #E8ECF0\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">99213, 99214<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Office visit, established patient<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Post-operative or post-injury review during healing.<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0;background:#F9FAFB\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">97165, 97166, 97167<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Occupational therapy evaluation<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Hand therapy assessment at the start of the rehab course.<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">97110<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Therapeutic exercise<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Tendon glides and graded strengthening for the thumb.<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0;background:#F9FAFB\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">97140<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Manual therapy techniques<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Scar mobilization and joint mobilization at the thumb.<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">97530<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Therapeutic activities<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Functional grip and pinch retraining.<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0;background:#F9FAFB\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">97535<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Self-care and home management training<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Splint wear schedules and daily activity modification.<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">29130<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Application of finger splint, static<\/td>\n<td style=\"padding:12px 16px;color:#374151\">A replacement or adjusted static splint during healing.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\n<p class=\"wp-block-paragraph\">Repair codes such as 26410 belong with the initial encounter rather than a subsequent one. Extensor sheath procedures at the wrist, such as <a href=\"https:\/\/pabau.com\/procedure-codes\/cpt-code-25118\/\">CPT code 25118<\/a>, sit in that same active treatment phase. Payer policy varies on therapy frequency and splint supply, so confirm coverage before submitting.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Every paired code still needs its own supporting documentation in the note.<\/p>\n\n\n\n<h2 id=\"h-icd-10-cm-code-validity-and-effective-dates\" class=\"wp-block-heading\">ICD-10-CM code validity and effective dates<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">S66.292D has been valid since October 1, 2015, the date ICD-10-CM replaced ICD-9-CM for HIPAA-covered transactions in the United States. The code remains active and unchanged through the FY 2026 ICD-10-CM release.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Annual updates take effect each October 1, and the FY 2026 cycle brought no revision to S66.292D. Practices that have not audited hand and wrist coding since the transition should check their encounter templates. Older templates often name the hand rather than the thumb.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Because the code set changes every year, verify active status at the start of each fiscal year against the official CDC tool. S66.292D has been stable since introduction, though other codes in the S66 category have seen descriptor revisions.<\/p>\n\n\n\n<h2 id=\"h-how-pabau-supports-accurate-icd-10-coding\" class=\"wp-block-heading\">How Pabau supports accurate ICD-10 coding<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">In most practices, the diagnosis code is chosen after the visit ends. A coder opens the note, hunts for the digit and the side, and guesses at the phase of care. When the record is silent, that becomes a query back to the clinician.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Every one of those steps can lose the thumb, the extensor structure, or the 7th character. Practice management software like Pabau moves the decision to the point of care, because diagnosis codes sit on the treatment note itself. The clinician records the injured digit and the encounter phase while the patient is still in the room.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Templates can prompt for both, and the coded note carries straight through to <a href=\"https:\/\/pabau.com\/features\/claims-management-software\/\">claims management<\/a>. Coders stop chasing laterality across referral letters. Audits find the supporting language where they expect it, and follow-up visits carry the right 7th character.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/cdn.pabau.com\/cdn\/attachments\/pulse\/content-engine\/diagnostic_codes\/icd-10-code-s66292d\/detailed-client-records-in-pabau.webp\" alt=\"Detailed client records in Pabau\"\/><figcaption class=\"wp-element-caption\"><em>Detailed client records in Pabau keep the injured digit and the encounter phase on the note, ready for the claim.<\/em><\/figcaption><\/figure>\n\n\n\n<div style=\"height:35px;width:800px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n        <div id=\"book_a_demo\">\n            <div class=\"left-side\">\n                <div class=\"logo\">\n                    <img decoding=\"async\"\n                        src=\"https:\/\/pabau.com\/wp-content\/uploads\/2026\/01\/Logo.svg\"\n                        alt=\"Logo\"\n                        loading=\"lazy\"\n                    \/>\n                <\/div>\n\n                <h3 class=\"heading\">\n                    Code thumb and hand follow-ups right the first time                <\/h3>\n\n                <p class=\"description\">\n                    Pabau keeps the injured digit, the side, and the encounter phase on the treatment note and carries them into the claim. Your coders stop rebuilding the record after the visit, so follow-up claims go out clean.                <\/p>\n\n                <div class=\"button-group\">\n                    <a href=\"\/book-demo\/\" class=\"btn btn-scale-effect btn-cta-color btn-md\">\n                        <span class=\"btn-text\">Book a demo<\/span>\n                        <div class=\"btn-icon btn-icon-right\" aria-hidden=\"true\">\n                            <svg\n                                width=\"14\"\n                                height=\"12\"\n                                viewBox=\"0 0 14 12\"\n                                fill=\"none\"\n                                xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\n                            >\n                                <path\n                                    d=\"M0.75 4.77295C0.335786 4.77295 0 5.10874 0 5.52295C0 5.93716 0.335786 6.27295 0.75 6.27295V5.52295V4.77295ZM13.2803 6.05328C13.5732 5.76039 13.5732 5.28551 13.2803 4.99262L8.50736 0.219648C8.21447 -0.073245 7.73959 -0.073245 7.4467 0.219648C7.15381 0.512542 7.15381 0.987415 7.4467 1.28031L11.6893 5.52295L7.4467 9.76559C7.15381 10.0585 7.15381 10.5334 7.4467 10.8263C7.73959 11.1191 8.21447 11.1191 8.50736 10.8263L13.2803 6.05328ZM0.75 5.52295V6.27295L12.75 6.27295V5.52295V4.77295L0.75 4.77295V5.52295Z\"\n                                    fill=\"currentColor\"\n                                ><\/path>\n                            <\/svg>\n                        <\/div>\n                    <\/a>\n                <\/div>\n            <\/div>\n\n            <div class=\"right-side\">\n                <img decoding=\"async\"\n                    src=\"https:\/\/pabau.com\/wp-content\/uploads\/2026\/01\/Home-Page-Concept-4.webp\"\n                    alt=\"Pabau practice management platform\"\n                    loading=\"lazy\"\n                \/>\n            <\/div>\n        <\/div>\n        \n\n\n<h2 id=\"h-conclusion\" class=\"wp-block-heading\">Conclusion<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">ICD-10 code S66.292D is billable, HIPAA-valid, and narrower than its length suggests. It covers one structure group, the extensor muscle, fascia and tendon, on one digit, the left thumb, at one point in care.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Three decisions drive a clean claim. Name the extensor structure, name the left thumb rather than the hand, and choose D over A once active treatment has finished.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Practices running hand and wrist follow-ups across physical therapy, occupational therapy, or orthopedic workflows can capture all three while the note is being written. Pabau&#8217;s <a href=\"https:\/\/pabau.com\/blog\/practice-management-software\/\">practice management platform<\/a> links structured diagnosis documentation to every appointment and claim. <a href=\"https:\/\/pabau.com\/book-demo\/\">Book a demo<\/a> to see how Pabau handles ICD-10-CM coding workflows end to end.<\/p>\n\n\n        <div id=\"expert_picks\">\n            <div class=\"header\">\n                                    <img decoding=\"async\" src=\"https:\/\/pabau.com\/wp-content\/uploads\/2025\/11\/Expert-Picks.svg\" alt=\"Continue your research\" height=\"42\" width=\"42\">\n                                <h3>Continue your research<\/h3>\n            <\/div>\n            <div class=\"content\">\n                                                            <div class=\"item\">\n                            <div>\n                                <svg width=\"20\" height=\"27\" viewBox=\"0 0 20 27\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\">\n                                    <path\n                                        d=\"M18.6223 14.3857C19.1246 13.8975 19.1246 13.1045 18.6223 12.6162L12.1938 6.36621C11.6915 5.87793 10.8759 5.87793 10.3737 6.36621C9.87143 6.85449 9.87143 7.64746 10.3737 8.13574L14.6125 12.2529H2.28571C1.57455 12.2529 1 12.8115 1 13.5029C1 14.1943 1.57455 14.7529 2.28571 14.7529H14.6085L10.3777 18.8701C9.87545 19.3584 9.87545 20.1514 10.3777 20.6396C10.8799 21.1279 11.6955 21.1279 12.1978 20.6396L18.6263 14.3896L18.6223 14.3857Z\"\n                                        fill=\"#54B2D3\" \/>\n                                <\/svg>\n                            <\/div>\n                            <p><strong>Want a documentation standard for injury encounters?<\/strong> <a href=\"https:\/\/pabau.com\/blog\/safer-clinical-notes\/\">Safer clinical notes<\/a> sets out the note structure that supports accurate ICD-10-CM coding.<\/p>\n                        <\/div>\n                                                                                <div class=\"item\">\n                            <div>\n                                <svg width=\"20\" height=\"27\" viewBox=\"0 0 20 27\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\">\n                                    <path\n                                        d=\"M18.6223 14.3857C19.1246 13.8975 19.1246 13.1045 18.6223 12.6162L12.1938 6.36621C11.6915 5.87793 10.8759 5.87793 10.3737 6.36621C9.87143 6.85449 9.87143 7.64746 10.3737 8.13574L14.6125 12.2529H2.28571C1.57455 12.2529 1 12.8115 1 13.5029C1 14.1943 1.57455 14.7529 2.28571 14.7529H14.6085L10.3777 18.8701C9.87545 19.3584 9.87545 20.1514 10.3777 20.6396C10.8799 21.1279 11.6955 21.1279 12.1978 20.6396L18.6263 14.3896L18.6223 14.3857Z\"\n                                        fill=\"#54B2D3\" \/>\n                                <\/svg>\n                            <\/div>\n                            <p><strong>Coding the same thumb injury with no documented side?<\/strong> <a href=\"https:\/\/pabau.com\/diagnostic-codes\/icd-10-code-s66299d\/\">S66.299D<\/a> covers the unspecified thumb version of this code.<\/p>\n                        <\/div>\n                                                                                <div class=\"item\">\n                            <div>\n                                <svg width=\"20\" height=\"27\" viewBox=\"0 0 20 27\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\">\n                                    <path\n                                        d=\"M18.6223 14.3857C19.1246 13.8975 19.1246 13.1045 18.6223 12.6162L12.1938 6.36621C11.6915 5.87793 10.8759 5.87793 10.3737 6.36621C9.87143 6.85449 9.87143 7.64746 10.3737 8.13574L14.6125 12.2529H2.28571C1.57455 12.2529 1 12.8115 1 13.5029C1 14.1943 1.57455 14.7529 2.28571 14.7529H14.6085L10.3777 18.8701C9.87545 19.3584 9.87545 20.1514 10.3777 20.6396C10.8799 21.1279 11.6955 21.1279 12.1978 20.6396L18.6263 14.3896L18.6223 14.3857Z\"\n                                        fill=\"#54B2D3\" \/>\n                                <\/svg>\n                            <\/div>\n                            <p><strong>Moving an injury from healing to late effect?<\/strong> <a href=\"https:\/\/pabau.com\/diagnostic-codes\/icd-10-code-s72455s\/\">S72.455S<\/a> shows how the sequela character works on a later claim.<\/p>\n                        <\/div>\n                                                                                <div class=\"item\">\n                            <div>\n                                <svg width=\"20\" height=\"27\" viewBox=\"0 0 20 27\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\">\n                                    <path\n                                        d=\"M18.6223 14.3857C19.1246 13.8975 19.1246 13.1045 18.6223 12.6162L12.1938 6.36621C11.6915 5.87793 10.8759 5.87793 10.3737 6.36621C9.87143 6.85449 9.87143 7.64746 10.3737 8.13574L14.6125 12.2529H2.28571C1.57455 12.2529 1 12.8115 1 13.5029C1 14.1943 1.57455 14.7529 2.28571 14.7529H14.6085L10.3777 18.8701C9.87545 19.3584 9.87545 20.1514 10.3777 20.6396C10.8799 21.1279 11.6955 21.1279 12.1978 20.6396L18.6263 14.3896L18.6223 14.3857Z\"\n                                        fill=\"#54B2D3\" \/>\n                                <\/svg>\n                            <\/div>\n                            <p><strong>Chasing denials on follow-up claims?<\/strong> <a href=\"https:\/\/pabau.com\/blog\/medicare-billing\/\">Medicare billing<\/a> explains the claiming channels and compliance checks behind each submission.<\/p>\n                        <\/div>\n                                                                                <div class=\"item\">\n                            <div>\n                                <svg width=\"20\" height=\"27\" viewBox=\"0 0 20 27\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\">\n                                    <path\n                                        d=\"M18.6223 14.3857C19.1246 13.8975 19.1246 13.1045 18.6223 12.6162L12.1938 6.36621C11.6915 5.87793 10.8759 5.87793 10.3737 6.36621C9.87143 6.85449 9.87143 7.64746 10.3737 8.13574L14.6125 12.2529H2.28571C1.57455 12.2529 1 12.8115 1 13.5029C1 14.1943 1.57455 14.7529 2.28571 14.7529H14.6085L10.3777 18.8701C9.87545 19.3584 9.87545 20.1514 10.3777 20.6396C10.8799 21.1279 11.6955 21.1279 12.1978 20.6396L18.6263 14.3896L18.6223 14.3857Z\"\n                                        fill=\"#54B2D3\" \/>\n                                <\/svg>\n                            <\/div>\n                            <p><strong>Explaining splint wear and home exercises?<\/strong> <a href=\"https:\/\/pabau.com\/blog\/patient-education\/\">Patient education<\/a> covers the materials that keep recovery instructions consistent between visits.<\/p>\n                        <\/div>\n                                                <\/div>\n        <\/div>\n    \n\n\n<h2 id=\"h-frequently-asked-questions\" class=\"wp-block-heading\">Frequently asked questions<\/h2>\n\n\n\n<div class=\"schema-faq wp-block-yoast-faq-block\"> <div class=\"schema-faq-section\" id=\"faq-question-1786952125927\"><h3 class=\"schema-faq-question\">What does ICD-10 code S66.292D mean?<\/h3> <p class=\"schema-faq-answer\">S66.292D is the billable ICD-10-CM code for other specified injury of the left thumb&#8217;s extensor muscle, fascia and tendon. The site is the wrist and hand level, and the 7th character marks a subsequent encounter. It applies when a patient returns for routine care while that thumb injury is still healing.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1786952125928\"><h3 class=\"schema-faq-question\">Is S66.292D a billable ICD-10 code?<\/h3> <p class=\"schema-faq-answer\">Yes. S66.292D is a specific, billable ICD-10-CM code, valid for HIPAA-covered transactions from October 1, 2015 through the FY 2026 code set. The parents S66.292 and S66.29 are non-billable header codes and cannot be submitted on a claim.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1786952125929\"><h3 class=\"schema-faq-question\">What is the difference between S66.292A and S66.292D?<\/h3> <p class=\"schema-faq-answer\">Both describe the same injury, an other specified injury of the left thumb extensor muscle, fascia and tendon. They differ only by phase of care. S66.292A covers the initial encounter, when the patient first receives active treatment. S66.292D covers subsequent encounters during healing and recovery.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1786952125930\"><h3 class=\"schema-faq-question\">What does the 7th character D mean in ICD-10?<\/h3> <p class=\"schema-faq-answer\">The 7th character D marks a subsequent encounter. The patient is receiving routine care while the injury heals. Follow-up appointments, hand therapy, wound checks, and splint changes after the initial treatment all take D, even when a different provider delivers them.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1786952125931\"><h3 class=\"schema-faq-question\">What is the right thumb equivalent of S66.292D?<\/h3> <p class=\"schema-faq-answer\">S66.291D is the right thumb equivalent. It covers other specified injury of extensor muscle, fascia and tendon of the right thumb at wrist and hand level, subsequent encounter. The side must be documented explicitly to support either code.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1786952125932\"><h3 class=\"schema-faq-question\">Does S66.292D cover a flexor tendon injury of the hand?<\/h3> <p class=\"schema-faq-answer\">No. S66.292D covers an extensor structure of the thumb only. A long flexor injury of the thumb is coded to S66.0, and a flexor injury of another finger is coded to S66.1. A generic hand-level injury with left hand laterality belongs to S66.8 or S66.9.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1786952125933\"><h3 class=\"schema-faq-question\">Which code applies if the note does not say which thumb was injured?<\/h3> <p class=\"schema-faq-answer\">Use S66.299D, the unspecified thumb version for a subsequent encounter. Treat it as a last resort. Query the clinician for the side, because unspecified laterality codes attract denials and weaken the clinical record.<\/p> <\/div> <\/div>\n","protected":false},"excerpt":{"rendered":"<p>ICD-10-CM code S66.292D is the billable code for other specified injury of the left thumb&#8217;s extensor muscle, fascia and tendon. The site is the wrist and hand level, and the 7th character D marks a subsequent encounter. Use it when a patient returns for routine care while that thumb injury is still healing. Two details [&hellip;]<\/p>\n","protected":false},"author":82,"featured_media":180966,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_linkdex":"80","_yoast_wpseo_content_score":"90","_yoast_wpseo_is_cornerstone":"","_yoast_wpseo_keywordsynonyms":"[\"\",\"\",\"\",\"\"]","_yoast_wpseo_focuskw_text_input":"","_seo_original_html":"","footnotes":""},"categories":[1549,1550],"tags":[2972,1680,1363,1666,1594],"class_list":["post-180967","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-diagnostic-codes","category-icd-10-cm","tag-clinical-coding","tag-diagnostic-codes","tag-icd-10","tag-orthopedic-billing","tag-physical-therapy"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.2 (Yoast SEO v28.2) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>ICD-10 code S66.292D: Left thumb extensor injury<\/title>\n<meta name=\"description\" content=\"S66.292D covers other specified injury of the left thumb extensor tendon, subsequent encounter. 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Learn the 7th character and coding rules.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/pabau.com\/de\/diagnostic-codes\/icd-10-code-s66292d\/\" \/>\n<meta property=\"og:site_name\" content=\"Pabau\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/Pabau\/\" \/>\n<meta property=\"article:published_time\" content=\"2026-08-17T08:57:04+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-08-17T09:51:20+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/pabau.com\/wp-content\/uploads\/2026\/08\/icd-10-code-s66292d.webp\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"630\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/webp\" \/>\n<meta name=\"author\" content=\"Maja Popovska\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@pabaucrm\" \/>\n<meta name=\"twitter:site\" content=\"@pabaucrm\" \/>\n<meta name=\"twitter:label1\" content=\"Verfasst von\" \/>\n\t<meta name=\"twitter:data1\" content=\"Maja Popovska\" \/>\n\t<meta name=\"twitter:label2\" content=\"Gesch\u00e4tzte Lesezeit\" \/>\n\t<meta name=\"twitter:data2\" content=\"10\u00a0Minuten\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/pabau.com\\\/de\\\/diagnostic-codes\\\/icd-10-code-s66292d\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/pabau.com\\\/de\\\/diagnostic-codes\\\/icd-10-code-s66292d\\\/\"},\"author\":{\"name\":\"Maja Popovska\",\"@id\":\"https:\\\/\\\/pabau.com\\\/de\\\/#\\\/schema\\\/person\\\/b00aec1dd379f0ddcf6137d78e2a21db\"},\"headline\":\"ICD-10 code S66.292D: Left thumb extensor injury, subsequent encounter\",\"datePublished\":\"2026-08-17T08:57:04+00:00\",\"dateModified\":\"2026-08-17T09:51:20+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/pabau.com\\\/de\\\/diagnostic-codes\\\/icd-10-code-s66292d\\\/\"},\"wordCount\":3037,\"publisher\":{\"@id\":\"https:\\\/\\\/pabau.com\\\/de\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/pabau.com\\\/de\\\/diagnostic-codes\\\/icd-10-code-s66292d\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/pabau.com\\\/wp-content\\\/uploads\\\/2026\\\/08\\\/icd-10-code-s66292d.webp\",\"keywords\":[\"Clinical Coding\",\"Diagnostic codes\",\"ICD-10\",\"Orthopedic Billing\",\"Physical Therapy\"],\"articleSection\":[\"Diagnostic Codes\",\"ICD-10-CM\"],\"inLanguage\":\"de\"},{\"@type\":[\"WebPage\",\"FAQPage\"],\"@id\":\"https:\\\/\\\/pabau.com\\\/de\\\/diagnostic-codes\\\/icd-10-code-s66292d\\\/\",\"url\":\"https:\\\/\\\/pabau.com\\\/de\\\/diagnostic-codes\\\/icd-10-code-s66292d\\\/\",\"name\":\"ICD-10 code S66.292D: Left thumb extensor injury\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/pabau.com\\\/de\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/pabau.com\\\/de\\\/diagnostic-codes\\\/icd-10-code-s66292d\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/pabau.com\\\/de\\\/diagnostic-codes\\\/icd-10-code-s66292d\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/pabau.com\\\/wp-content\\\/uploads\\\/2026\\\/08\\\/icd-10-code-s66292d.webp\",\"datePublished\":\"2026-08-17T08:57:04+00:00\",\"dateModified\":\"2026-08-17T09:51:20+00:00\",\"description\":\"S66.292D covers other specified injury of the left thumb extensor tendon, subsequent encounter. 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It applies when a patient returns for routine care while that thumb injury is still healing.","inLanguage":"de"},"inLanguage":"de"},{"@type":"Question","@id":"https:\/\/pabau.com\/de\/diagnostic-codes\/icd-10-code-s66292d\/#faq-question-1786952125928","position":2,"url":"https:\/\/pabau.com\/de\/diagnostic-codes\/icd-10-code-s66292d\/#faq-question-1786952125928","name":"Is S66.292D a billable ICD-10 code?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Yes. S66.292D is a specific, billable ICD-10-CM code, valid for HIPAA-covered transactions from October 1, 2015 through the FY 2026 code set. The parents S66.292 and S66.29 are non-billable header codes and cannot be submitted on a claim.","inLanguage":"de"},"inLanguage":"de"},{"@type":"Question","@id":"https:\/\/pabau.com\/de\/diagnostic-codes\/icd-10-code-s66292d\/#faq-question-1786952125929","position":3,"url":"https:\/\/pabau.com\/de\/diagnostic-codes\/icd-10-code-s66292d\/#faq-question-1786952125929","name":"What is the difference between S66.292A and S66.292D?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Both describe the same injury, an other specified injury of the left thumb extensor muscle, fascia and tendon. They differ only by phase of care. S66.292A covers the initial encounter, when the patient first receives active treatment. S66.292D covers subsequent encounters during healing and recovery.","inLanguage":"de"},"inLanguage":"de"},{"@type":"Question","@id":"https:\/\/pabau.com\/de\/diagnostic-codes\/icd-10-code-s66292d\/#faq-question-1786952125930","position":4,"url":"https:\/\/pabau.com\/de\/diagnostic-codes\/icd-10-code-s66292d\/#faq-question-1786952125930","name":"What does the 7th character D mean in ICD-10?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"The 7th character D marks a subsequent encounter. The patient is receiving routine care while the injury heals. Follow-up appointments, hand therapy, wound checks, and splint changes after the initial treatment all take D, even when a different provider delivers them.","inLanguage":"de"},"inLanguage":"de"},{"@type":"Question","@id":"https:\/\/pabau.com\/de\/diagnostic-codes\/icd-10-code-s66292d\/#faq-question-1786952125931","position":5,"url":"https:\/\/pabau.com\/de\/diagnostic-codes\/icd-10-code-s66292d\/#faq-question-1786952125931","name":"What is the right thumb equivalent of S66.292D?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"S66.291D is the right thumb equivalent. It covers other specified injury of extensor muscle, fascia and tendon of the right thumb at wrist and hand level, subsequent encounter. The side must be documented explicitly to support either code.","inLanguage":"de"},"inLanguage":"de"},{"@type":"Question","@id":"https:\/\/pabau.com\/de\/diagnostic-codes\/icd-10-code-s66292d\/#faq-question-1786952125932","position":6,"url":"https:\/\/pabau.com\/de\/diagnostic-codes\/icd-10-code-s66292d\/#faq-question-1786952125932","name":"Does S66.292D cover a flexor tendon injury of the hand?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"No. S66.292D covers an extensor structure of the thumb only. A long flexor injury of the thumb is coded to S66.0, and a flexor injury of another finger is coded to S66.1. A generic hand-level injury with left hand laterality belongs to S66.8 or S66.9.","inLanguage":"de"},"inLanguage":"de"},{"@type":"Question","@id":"https:\/\/pabau.com\/de\/diagnostic-codes\/icd-10-code-s66292d\/#faq-question-1786952125933","position":7,"url":"https:\/\/pabau.com\/de\/diagnostic-codes\/icd-10-code-s66292d\/#faq-question-1786952125933","name":"Which code applies if the note does not say which thumb was injured?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Use S66.299D, the unspecified thumb version for a subsequent encounter. Treat it as a last resort. Query the clinician for the side, because unspecified laterality codes attract denials and weaken the clinical record.","inLanguage":"de"},"inLanguage":"de"}]}},"yoast":{"focus_keyword":"ICD-10 code S66.292D","seo_title":"ICD-10 code S66.292D: Left thumb extensor injury","meta_description":"S66.292D covers other specified injury of the left thumb extensor tendon, subsequent encounter. Learn the 7th character and coding rules.","content_score":"90","is_cornerstone":"","related_keyphrases":[{"keyword":"flexor tendon injury wrist icd 10","score":56},{"keyword":"subsequent encounter icd 10","score":61},{"keyword":"7th character icd 10","score":61}]},"_links":{"self":[{"href":"https:\/\/pabau.com\/de\/wp-json\/wp\/v2\/posts\/180967","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pabau.com\/de\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/pabau.com\/de\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/pabau.com\/de\/wp-json\/wp\/v2\/users\/82"}],"replies":[{"embeddable":true,"href":"https:\/\/pabau.com\/de\/wp-json\/wp\/v2\/comments?post=180967"}],"version-history":[{"count":4,"href":"https:\/\/pabau.com\/de\/wp-json\/wp\/v2\/posts\/180967\/revisions"}],"predecessor-version":[{"id":181250,"href":"https:\/\/pabau.com\/de\/wp-json\/wp\/v2\/posts\/180967\/revisions\/181250"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pabau.com\/de\/wp-json\/wp\/v2\/media\/180966"}],"wp:attachment":[{"href":"https:\/\/pabau.com\/de\/wp-json\/wp\/v2\/media?parent=180967"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/pabau.com\/de\/wp-json\/wp\/v2\/categories?post=180967"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/pabau.com\/de\/wp-json\/wp\/v2\/tags?post=180967"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}