{"id":170784,"date":"2026-07-31T13:14:39","date_gmt":"2026-07-31T13:14:39","guid":{"rendered":"https:\/\/pabau.com\/?p=170784"},"modified":"2026-08-17T12:25:34","modified_gmt":"2026-08-17T12:25:34","slug":"icd-10-code-m300","status":"publish","type":"post","link":"https:\/\/pabau.com\/de\/diagnostic-codes\/icd-10-code-m300\/","title":{"rendered":"ICD-10 Code M30.0: Polyarteritis nodosa"},"content":{"rendered":"\n<script type=\"application\/ld+json\">{\"@context\":\"https:\/\/schema.org\",\"@type\":\"MedicalWebPage\",\"headline\":\"ICD-10 Code M30.0: Polyarteritis nodosa\",\"description\":\"ICD-10 Code M30.0 (Polyarteritis nodosa) is a billable diagnosis code for systemic necrotizing vasculitis of medium-sized arteries. Learn coding guidelines, synonyms, related M30 subcodes, excludes notes, and documentation tips.\",\"url\":\"https:\/\/pabau.com\/diagnostic-codes\/icd-10-code-m300\/\",\"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\":\"2025-10-01\",\"dateModified\":\"2026-08-03\"}<\/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>ICD-10 Code M30.0 is the billable diagnosis code for polyarteritis nodosa (PAN), a systemic necrotizing vasculitis affecting medium-sized arteries.<\/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>M30.0 has been part of ICD-10-CM since October 1, 2015, and the FY2026 update left it unchanged.<\/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>Coders must distinguish M30.0 from sibling codes M30.1 (lung involvement), M30.2 (juvenile polyarteritis), and M30.3 (Kawasaki disease) to avoid claim errors.<\/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 Excludes1 note on M30 is microscopic polyarteritis (M31.7), so the two codes never belong on the same 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=\"#3D3D46\" \/>\n                                <\/svg>\n                            <\/div>\n                            <p>Practice management software like Pabau helps rheumatology and specialty practices document PAN accurately and cut coding-related denials.<\/p>\n                        <\/div>\n                                                <\/div>\n        <\/div>\n    \n\n\n<h2 class=\"wp-block-heading\">ICD-10 Code M30.0: definition and billable status<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">ICD-10 Code M30.0 is the billable ICD-10-CM code for polyarteritis nodosa, a systemic necrotizing vasculitis of medium-sized arteries. It covers classic PAN and nothing else. Four other subcodes sit in the M30 category, and they are the codes most often assigned by mistake.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">M30.0 is not a new code. According to the <a href=\"https:\/\/icd10cmtool.cdc.gov\/\" target=\"_blank\" rel=\"nofollow noopener\">CDC\/NCHS ICD-10-CM web tool<\/a>, it has been in the code set since ICD-10-CM took effect on October 1, 2015. The FY2026 annual update, effective October 1, 2025, left it in place unchanged. M30.0 sits in chapter M00-M99, diseases of the musculoskeletal system and connective tissue, within category M30-M36. It is a valid billable code for HIPAA-covered transactions.<\/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-m300\/automate-claims-through-healthcode.webp\" alt=\"Automated claims and billing dashboard\"\/><figcaption class=\"wp-element-caption\"><em>Pabau files claims and tracks their status, so an M30.0 submission never stalls unnoticed in the billing queue.<\/em><\/figcaption><\/figure>\n\n\n\n<div style=\"height:35px;width:800px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\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\">Field<\/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\">Details<\/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\">M30.0<\/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 descriptor<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Polyarteritis nodosa<\/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 (US clinical modification)<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0;background:#F9FAFB\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">Chapter<\/td>\n<td style=\"padding:12px 16px;color:#374151\">M00-M99: Diseases of the musculoskeletal system and connective tissue<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">Category<\/td>\n<td style=\"padding:12px 16px;color:#374151\">M30-M36: Systemic connective tissue disorders<\/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, valid for HIPAA-covered claim submission<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">In the code set since<\/td>\n<td style=\"padding:12px 16px;color:#374151\">October 1, 2015, and carried unchanged into the FY2026 edition<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0;background:#F9FAFB\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">Parent category code<\/td>\n<td style=\"padding:12px 16px;color:#374151\">M30 (Polyarteritis nodosa and related conditions)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\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\">\n<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>\n<\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Clinical description: what is polyarteritis nodosa?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Polyarteritis nodosa is a systemic necrotizing vasculitis that affects medium-sized muscular arteries. Unlike the large-vessel vasculitides, PAN spares capillaries, venules, and arterioles. Inflammation causes vessel wall necrosis, which leads to ischemia and infarction in the organs it reaches.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The organs most often involved are the kidneys, peripheral nerves, skin, gastrointestinal tract, and muscles. Rheumatology and dermatology see PAN most frequently. Accurate coding starts with recognizing which organ systems are involved, because those drive the additional codes filed alongside M30.0.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Signs and symptoms of polyarteritis nodosa<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Clinical documentation for M30.0 should reflect the presenting features that support the diagnosis. Common findings include:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>Constitutional symptoms:<\/strong> fever, unintentional weight loss, malaise, fatigue<\/li><li><strong>Musculoskeletal:<\/strong> myalgia, arthralgia, arthritis<\/li><li><strong>Neurological:<\/strong> mononeuritis multiplex, which presents as an asymmetric sensorimotor neuropathy, and rarely central nervous system involvement<\/li><li><strong>Renal:<\/strong> hypertension and reduced renal function from renovascular involvement<\/li><li><strong>Cutaneous:<\/strong> livedo reticularis, subcutaneous nodules, skin ulcers, purpura<\/li><li><strong>Gastrointestinal:<\/strong> abdominal pain, nausea, intestinal ischemia<\/li><li><strong>Testicular:<\/strong> orchitis or testicular pain in male patients<\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Glomerulonephritis is notably absent in classic PAN, which separates it from the ANCA-associated vasculitides coded in M31. That single distinction decides code assignment more often than any individual symptom does.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Synonyms and index entries that map to M30.0<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The ICD-10-CM alphabetic index lists several terms that resolve to M30.0. Coders should recognize all of them, because physician documentation often uses older terminology.<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Polyarteritis nodosa<\/li><li>Polyarteritis (nodosa)<\/li><li>Necrotizing arteritis<\/li><li>Periarteritis nodosa<\/li><li>Panarteritis nodosa<\/li><li>Systemic necrotizing vasculitis (medium vessel, non-ANCA)<\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">When a physician documents &#8222;periarteritis nodosa&#8220; or &#8222;panarteritis nodosa,&#8220; the index lookup still resolves to M30.0. Coding from the clinical description rather than the documented term is what causes misassignment, especially when records arrive from outside specialists. The <a href=\"https:\/\/www.aapc.com\/codes\/icd-10-codes-range\/\" target=\"_blank\" rel=\"nofollow noopener\">AAPC ICD-10-CM code lookup<\/a> confirms these index mappings.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Osteopaths treating these conditions can document diagnoses and sessions in <a href=\"https:\/\/pabau.com\/industry\/osteopathy-practice-software\/\">osteopathy practice software<\/a>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">ICD-10-CM coding guidelines for M30.0<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">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> govern when and how M30.0 is applied. Several rules affect claim accuracy for vasculitis diagnoses directly.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Excludes notes for M30.0<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">The M30 category carries exclusion notes that restrict or redirect code use. They apply before M30.0 goes anywhere near a claim form.<\/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\">Note 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\">Excluded condition<\/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\">Action<\/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\">Excludes1<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Microscopic polyarteritis, also called microscopic polyangiitis<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Never report M30.0 and M31.7 together. Use M31.7 when microscopic polyangiitis is documented<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0;background:#F9FAFB\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">Category exclusion<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Other ANCA-associated vasculitides, such as granulomatosis with polyangiitis<\/td>\n<td style=\"padding:12px 16px;color:#374151\">These conditions have their own codes in M31. Do not use M30.0<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">Category exclusion<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Mucocutaneous lymph node syndrome, or Kawasaki disease<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Use M30.3 for Kawasaki disease. It is a distinct subcategory of M30<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Sequencing guidance:<\/strong> when M30.0 is the reason for the encounter, code it as the principal diagnosis. Manifestation codes for organ involvement follow as additional diagnoses. Reverse that order only when the encounter is for management of the organ complication rather than the vasculitis itself.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">M30 category: polyarteritis nodosa and related conditions<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">M30 is the parent category for polyarteritis nodosa and related conditions. Each subcode is a clinically distinct condition, so the subcode you choose decides whether the claim matches the record. Related vasculitis codes also sit just outside M30, including M31.0 for hypersensitivity angiitis and M35.2 for Beh\u00e7et&#8217;s disease.<\/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\">Descriptor<\/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\">Key distinguishing feature<\/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\">M30.0<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Polyarteritis nodosa<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Classic PAN. Medium-vessel necrotizing vasculitis, no glomerulonephritis, ANCA-negative<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0;background:#F9FAFB\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\"><a href=\"https:\/\/pabau.com\/diagnostic-codes\/icd-10-code-m301\/\">M30.1<\/a><\/td>\n<td style=\"padding:12px 16px;color:#374151\">Polyarteritis with lung involvement (Churg-Strauss)<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Eosinophilic granulomatosis with polyangiitis. Pulmonary involvement is present<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\"><a href=\"https:\/\/pabau.com\/diagnostic-codes\/icd-10-code-m302\/\">M30.2<\/a><\/td>\n<td style=\"padding:12px 16px;color:#374151\">Juvenile polyarteritis<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Pediatric or infantile presentation. Assign instead of M30.0 when onset is juvenile<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0;background:#F9FAFB\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">M30.3<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Mucocutaneous lymph node syndrome (Kawasaki)<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Fever, rash, lymphadenopathy. Mostly affects children, with coronary aneurysm risk<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">M30.8<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Other conditions related to polyarteritis nodosa<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Polyangiitis overlap syndrome. Use when the documented condition does not fit M30.0-M30.3<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\n<p class=\"wp-block-paragraph\">The <a href=\"https:\/\/icd.who.int\/browse10\/2019\/en\" target=\"_blank\" rel=\"nofollow noopener\">WHO ICD-10 browser<\/a> gives the international classification context for these codes. That is useful for patients transferred from health systems that use WHO ICD-10 rather than ICD-10-CM.<\/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>When documentation states &#8218;vasculitis NOS&#8216; without specifying vessel size or ANCA status, query the physician before assigning M30.0. PAN requires confirmation of medium-vessel involvement and ANCA-negative status. Assigning M30.0 from unspecified vasculitis documentation invites a payer audit and possible downcoding.<\/p>\n            <\/div>\n        <\/div>\n    \n\n\n<h2 class=\"wp-block-heading\">Common associated diagnoses and comorbidities<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">PAN rarely presents in isolation. A complete claim for an M30.0 encounter usually needs additional codes to capture the clinical picture. The conditions below are the ones most often coded alongside M30.0 in rheumatology and specialty practice.<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>Renal involvement:<\/strong> N26.9 (Renal sclerosis, unspecified) or N28.9 (Disorder of kidney and ureter, unspecified) when renovascular PAN affects renal function<\/li><li><strong>Peripheral neuropathy:<\/strong> G62.9 (Polyneuropathy, unspecified), or G58.7 (Mononeuritis multiplex) when mononeuritis multiplex is documented<\/li><li><strong>Hypertension:<\/strong> I10 (Essential primary hypertension) when renovascular involvement drives blood pressure elevation<\/li><li><strong>Skin manifestations:<\/strong> L95.0 (Livedoid vasculitis) when cutaneous PAN features are documented<\/li><li><strong>Hepatitis B association:<\/strong> B18.1 (Chronic viral hepatitis B without delta-agent) when HBV-associated PAN is documented<\/li><li><strong>Weight loss:<\/strong> R63.4 (Abnormal weight loss) when constitutional wasting is documented as a separate concern<\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Hepatitis B-associated PAN is a clinically distinct subset, so the underlying infection belongs on the claim under the appropriate B18- code. Payers reviewing vasculitis claims look for whether the organ manifestations are supported in the record. The same applies on the treatment side.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Documentation tips for accurate M30.0 coding<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">PAN records are high-complexity by nature. Incomplete documentation is the most common reason M30.0 claims draw a medical necessity denial or a request for more information. The checklist below is what coders and clinical teams need between them.<\/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\">Documentation element<\/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\">Why it matters for M30.0<\/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\">Explicit diagnosis statement<\/td>\n<td style=\"padding:12px 16px;color:#374151\">The physician must document &#8222;polyarteritis nodosa&#8220; or an accepted synonym. &#8222;Vasculitis&#8220; alone will not support M30.0<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0;background:#F9FAFB\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">Vessel size specification<\/td>\n<td style=\"padding:12px 16px;color:#374151\">The record should confirm medium-vessel involvement, which supports M30.0 over the small-vessel codes in M31<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">ANCA test results<\/td>\n<td style=\"padding:12px 16px;color:#374151\">ANCA-negative status distinguishes PAN from microscopic polyangiitis (M31.7). Document the lab results<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0;background:#F9FAFB\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">HBV serology<\/td>\n<td style=\"padding:12px 16px;color:#374151\">HBV-associated PAN requires a concurrent B18.1. Document HBsAg status where it applies<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">Organ system involvement<\/td>\n<td style=\"padding:12px 16px;color:#374151\">List each affected system, so the additional codes filed alongside M30.0 are supported<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0;background:#F9FAFB\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">Diagnostic basis<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Record whether the diagnosis rests on clinical criteria, angiography, or tissue biopsy. Payers may ask<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">Age at onset<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Juvenile onset points to M30.2 rather than M30.0, so document the patient&#8217;s age explicitly<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\n<p class=\"wp-block-paragraph\">Practices that build these elements into intake and clinical note workflows catch missing detail before the claim goes out. A structured review of systems is where most of that detail gets captured. A template such as this endocrine review of systems shows the organ-by-organ prompting that a vasculitis record needs.<\/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>Flag every M30.0 claim for coder review before submission when the physician note says only &#8218;vasculitis&#8216;. Query the physician with a standard query form, asking for vessel size, ANCA status, and whether PAN was the intended diagnosis. A documented query is also the first thing an auditor looks for when the note reads thin.<\/p>\n            <\/div>\n        <\/div>\n    \n\n\n<h2 class=\"wp-block-heading\">Related ICD-10 codes<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/pabau.com\/diagnostic-codes\/icd-10-code-m1990\/\">ICD-10 code M19.90 \u2014 Degenerative Joint Disease Documentation<\/a><\/li>\n\n\n<li><a href=\"https:\/\/pabau.com\/diagnostic-codes\/icd-10-code-m303\/\">ICD-10 code M30.3 \u2014 Kawasaki disease<\/a><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">How Pabau supports accurate vasculitis coding<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">In most practices, the M30.0 evidence is scattered. The ANCA result sits in a lab portal, and the vessel-size wording sits in a dictated note. The HBsAg status is in an intake form somebody scanned. The coder assembles all of it after the visit, which is when the missing pieces turn into a query or a denial.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Practice management software like Pabau keeps that evidence in one patient record. Digital intake forms capture symptom history and serology before the visit. Treatment notes prompt for the detail M30.0 needs, and lab results attach to the same file. Nothing has to be chased across three systems at billing time.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">From there. Your coders see which M30.0 submissions cleared and which came back. That lets you fix a documentation pattern once, instead of appealing the same denial every month.<\/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-m300\/customizable-consent-and-intake-forms.webp\" alt=\"Customizable consent and intake forms\"\/><figcaption class=\"wp-element-caption\"><em>Pabau&#8217;s digital intake forms can prompt for vessel size, ANCA status, and organ involvement, so the record supports M30.0 first time.<\/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                    Fewer coding errors on complex diagnoses                <\/h3>\n\n                <p class=\"description\">\n                    Pabau brings digital intake, treatment notes, and claims management into one patient record. Your team builds documentation that supports M30.0 during the visit, instead of reconstructing it after a denial.                <\/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 dashboard\"\n                    loading=\"lazy\"\n                \/>\n            <\/div>\n        <\/div>\n        \n\n\n<h2 class=\"wp-block-heading\">Conclusion<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Whether an M30.0 claim survives is decided before anyone keys the code. A note that names polyarteritis nodosa, confirms medium-vessel involvement, and records ANCA-negative status will hold up. A note that says &#8222;vasculitis&#8220; and stops there will not, however carefully it is coded.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">So query early rather than at appeal. A physician query costs a day of turnaround. A denial costs the revenue for that visit plus the rework, and it usually repeats until someone changes the template behind it.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">That is the practical fix here, and it is a documentation problem long before it is a coding one. <a href=\"https:\/\/pabau.com\/book-demo\/\">Book a demo<\/a> to see how Pabau keeps vasculitis documentation and claim submission in the same place.<\/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>Coding a pediatric vasculitis presentation instead?<\/strong> <a href=\"https:\/\/pabau.com\/diagnostic-codes\/icd-10-code-m303\/\">ICD-10 code M30.3<\/a> walks through Kawasaki disease documentation and the criteria payers expect to see.<\/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>Documentation that does not fit any named M30 subcode?<\/strong> <a href=\"https:\/\/pabau.com\/diagnostic-codes\/icd-10-code-m308\/\">ICD-10 code M30.8<\/a> covers polyangiitis overlap syndrome and when the other specified code applies.<\/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>Need the large-vessel side of the differential?<\/strong> <a href=\"https:\/\/pabau.com\/diagnostic-codes\/icd-10-code-m315\/\">ICD-10 code M31.5<\/a> explains giant cell arteritis with polymyalgia rheumatica and how it is billed.<\/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>Seeing aortic or subclavian involvement in the record?<\/strong> <a href=\"https:\/\/pabau.com\/diagnostic-codes\/icd-10-code-m314\/\">ICD-10 code M31.4<\/a> sets out the coding rules for aortic arch syndrome, or Takayasu arteritis.<\/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>Working with a vasculopathy that has no specific code?<\/strong> <a href=\"https:\/\/pabau.com\/diagnostic-codes\/icd-10-code-m318\/\">ICD-10 code M31.8<\/a> explains when the other specified necrotizing vasculopathy option is right.<\/p>\n                        <\/div>\n                                                <\/div>\n        <\/div>\n    \n\n\n<h2 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-1785497464479\"><h3 class=\"schema-faq-question\">What is ICD-10 Code M30.0?<\/h3> <p class=\"schema-faq-answer\">ICD-10 Code M30.0 is the billable ICD-10-CM diagnosis code for polyarteritis nodosa (PAN), a systemic necrotizing vasculitis affecting medium-sized muscular arteries. It has been part of ICD-10-CM since October 1, 2015, and it remains valid for FY2026 claims. The code sits in chapter M00-M99, diseases of the musculoskeletal system and connective tissue.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1785497464480\"><h3 class=\"schema-faq-question\">Is M30.0 a billable ICD-10-CM code?<\/h3> <p class=\"schema-faq-answer\">Yes, M30.0 is a billable, specific ICD-10-CM code valid for HIPAA-covered claim submission. It is a terminal code in the ICD-10-CM hierarchy, meaning it cannot be further subdivided and is accepted directly for diagnosis reporting.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1785497464481\"><h3 class=\"schema-faq-question\">What is the difference between M30.0 and M30.1?<\/h3> <p class=\"schema-faq-answer\">M30.0 covers classic polyarteritis nodosa, which affects medium-sized arteries without lung involvement. M30.1 covers polyarteritis with lung involvement, historically associated with Churg-Strauss syndrome. Pulmonary involvement in the record is the differentiator that routes coding to M30.1 rather than M30.0.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1785497464482\"><h3 class=\"schema-faq-question\">What are the subcodes under ICD-10 category M30?<\/h3> <p class=\"schema-faq-answer\">The M30 category includes M30.0 (Polyarteritis nodosa), M30.1 (Polyarteritis with lung involvement), and M30.2 (Juvenile polyarteritis). It also covers M30.3 (Mucocutaneous lymph node syndrome, or Kawasaki disease) and M30.8 (Other conditions related to polyarteritis nodosa). Each is a clinically distinct condition, and they must not be used interchangeably.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1785497464483\"><h3 class=\"schema-faq-question\">What are the excludes notes for ICD-10 Code M30.0?<\/h3> <p class=\"schema-faq-answer\">The M30 category carries an Excludes1 note for microscopic polyarteritis, which is coded M31.7. The two codes never appear on the same claim. M30 also excludes the other ANCA-associated vasculitides coded in M31, along with Kawasaki disease at M30.3.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1785497464484\"><h3 class=\"schema-faq-question\">How do I document polyarteritis nodosa for ICD-10 coding?<\/h3> <p class=\"schema-faq-answer\">Physician documentation should state &#8222;polyarteritis nodosa&#8220; or an accepted synonym, confirm medium-vessel involvement, record ANCA test results, and list each organ system affected. ANCA-negative status is what supports M30.0. Capture hepatitis B serology too when HBV-associated PAN is suspected, because that drives an additional B18.1 code.<\/p> <\/div> <\/div>\n\n","protected":false},"excerpt":{"rendered":"<p>M30.0 is the billable ICD-10-CM code for polyarteritis nodosa. It needs medium-vessel, ANCA-negative documentation to hold up.<\/p>\n","protected":false},"author":81,"featured_media":170781,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_linkdex":"","_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":[1543,1580,1845,1363,2668],"class_list":["post-170784","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-diagnostic-codes","category-icd-10-cm","tag-clinical-documentation","tag-diagnostic-coding","tag-icd-10-cm","tag-icd-10","tag-musculoskeletal-coding"],"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 M30.0: Polyarteritis nodosa vs the M30 subcodes<\/title>\n<meta name=\"description\" content=\"M30.0 is the billable ICD-10-CM code for polyarteritis nodosa. It needs medium-vessel, ANCA-negative documentation to hold up.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/pabau.com\/de\/diagnostic-codes\/icd-10-code-m300\/\" \/>\n<meta property=\"og:locale\" content=\"de_DE\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"ICD-10 Code M30.0: Polyarteritis nodosa vs the M30 subcodes\" \/>\n<meta property=\"og:description\" content=\"M30.0 is the billable ICD-10-CM code for polyarteritis nodosa. It needs medium-vessel, ANCA-negative documentation to hold up.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/pabau.com\/de\/diagnostic-codes\/icd-10-code-m300\/\" \/>\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=\"2026-07-31T13:14:39+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-08-17T12:25:34+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/pabau.com\/wp-content\/uploads\/2026\/07\/icd-10-code-m300.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=\"Aleksandar Kochovski\" \/>\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=\"Aleksandar Kochovski\" \/>\n\t<meta name=\"twitter:label2\" content=\"Gesch\u00e4tzte Lesezeit\" \/>\n\t<meta name=\"twitter:data2\" content=\"1\u00a0Minute\" \/>\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-m300\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/pabau.com\\\/de\\\/diagnostic-codes\\\/icd-10-code-m300\\\/\"},\"author\":{\"name\":\"Aleksandar Kochovski\",\"@id\":\"https:\\\/\\\/pabau.com\\\/de\\\/#\\\/schema\\\/person\\\/73b672a49e20bfba8161e3c17ee3dda2\"},\"headline\":\"ICD-10 Code M30.0: Polyarteritis nodosa\",\"datePublished\":\"2026-07-31T13:14:39+00:00\",\"dateModified\":\"2026-08-17T12:25:34+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/pabau.com\\\/de\\\/diagnostic-codes\\\/icd-10-code-m300\\\/\"},\"wordCount\":1845,\"publisher\":{\"@id\":\"https:\\\/\\\/pabau.com\\\/de\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/pabau.com\\\/de\\\/diagnostic-codes\\\/icd-10-code-m300\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/pabau.com\\\/wp-content\\\/uploads\\\/2026\\\/07\\\/icd-10-code-m300.webp\",\"keywords\":[\"Clinical Documentation\",\"Diagnostic Coding\",\"Icd 10 Cm\",\"ICD-10\",\"Musculoskeletal coding\"],\"articleSection\":[\"Diagnostic Codes\",\"ICD-10-CM\"],\"inLanguage\":\"de\"},{\"@type\":[\"WebPage\",\"FAQPage\"],\"@id\":\"https:\\\/\\\/pabau.com\\\/de\\\/diagnostic-codes\\\/icd-10-code-m300\\\/\",\"url\":\"https:\\\/\\\/pabau.com\\\/de\\\/diagnostic-codes\\\/icd-10-code-m300\\\/\",\"name\":\"ICD-10 Code M30.0: Polyarteritis nodosa vs the M30 subcodes\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/pabau.com\\\/de\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/pabau.com\\\/de\\\/diagnostic-codes\\\/icd-10-code-m300\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/pabau.com\\\/de\\\/diagnostic-codes\\\/icd-10-code-m300\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/pabau.com\\\/wp-content\\\/uploads\\\/2026\\\/07\\\/icd-10-code-m300.webp\",\"datePublished\":\"2026-07-31T13:14:39+00:00\",\"dateModified\":\"2026-08-17T12:25:34+00:00\",\"description\":\"M30.0 is the billable ICD-10-CM code for polyarteritis nodosa. 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He specializes in topics around compliance in software solutions. When he's not writing at Pabau, you can find him tending to his bonsai collection or hitting the gym.\",\"url\":\"https:\\\/\\\/pabau.com\\\/de\\\/blog\\\/author\\\/aleksandar-kochovski\\\/\"},{\"@type\":\"Question\",\"@id\":\"https:\\\/\\\/pabau.com\\\/de\\\/diagnostic-codes\\\/icd-10-code-m300\\\/#faq-question-1785497464479\",\"position\":1,\"url\":\"https:\\\/\\\/pabau.com\\\/de\\\/diagnostic-codes\\\/icd-10-code-m300\\\/#faq-question-1785497464479\",\"name\":\"What is ICD-10 Code M30.0?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"ICD-10 Code M30.0 is the billable ICD-10-CM diagnosis code for polyarteritis nodosa (PAN), a systemic necrotizing vasculitis affecting medium-sized muscular arteries. It has been part of ICD-10-CM since October 1, 2015, and it remains valid for FY2026 claims. The code sits in chapter M00-M99, diseases of the musculoskeletal system and connective tissue.\",\"inLanguage\":\"de\"},\"inLanguage\":\"de\"},{\"@type\":\"Question\",\"@id\":\"https:\\\/\\\/pabau.com\\\/de\\\/diagnostic-codes\\\/icd-10-code-m300\\\/#faq-question-1785497464480\",\"position\":2,\"url\":\"https:\\\/\\\/pabau.com\\\/de\\\/diagnostic-codes\\\/icd-10-code-m300\\\/#faq-question-1785497464480\",\"name\":\"Is M30.0 a billable ICD-10-CM code?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes, M30.0 is a billable, specific ICD-10-CM code valid for HIPAA-covered claim submission. It is a terminal code in the ICD-10-CM hierarchy, meaning it cannot be further subdivided and is accepted directly for diagnosis reporting.\",\"inLanguage\":\"de\"},\"inLanguage\":\"de\"},{\"@type\":\"Question\",\"@id\":\"https:\\\/\\\/pabau.com\\\/de\\\/diagnostic-codes\\\/icd-10-code-m300\\\/#faq-question-1785497464481\",\"position\":3,\"url\":\"https:\\\/\\\/pabau.com\\\/de\\\/diagnostic-codes\\\/icd-10-code-m300\\\/#faq-question-1785497464481\",\"name\":\"What is the difference between M30.0 and M30.1?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"M30.0 covers classic polyarteritis nodosa, which affects medium-sized arteries without lung involvement. M30.1 covers polyarteritis with lung involvement, historically associated with Churg-Strauss syndrome. Pulmonary involvement in the record is the differentiator that routes coding to M30.1 rather than M30.0.\",\"inLanguage\":\"de\"},\"inLanguage\":\"de\"},{\"@type\":\"Question\",\"@id\":\"https:\\\/\\\/pabau.com\\\/de\\\/diagnostic-codes\\\/icd-10-code-m300\\\/#faq-question-1785497464482\",\"position\":4,\"url\":\"https:\\\/\\\/pabau.com\\\/de\\\/diagnostic-codes\\\/icd-10-code-m300\\\/#faq-question-1785497464482\",\"name\":\"What are the subcodes under ICD-10 category M30?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The M30 category includes M30.0 (Polyarteritis nodosa), M30.1 (Polyarteritis with lung involvement), and M30.2 (Juvenile polyarteritis). It also covers M30.3 (Mucocutaneous lymph node syndrome, or Kawasaki disease) and M30.8 (Other conditions related to polyarteritis nodosa). 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M30 also excludes the other ANCA-associated vasculitides coded in M31, along with Kawasaki disease at M30.3.\",\"inLanguage\":\"de\"},\"inLanguage\":\"de\"},{\"@type\":\"Question\",\"@id\":\"https:\\\/\\\/pabau.com\\\/de\\\/diagnostic-codes\\\/icd-10-code-m300\\\/#faq-question-1785497464484\",\"position\":6,\"url\":\"https:\\\/\\\/pabau.com\\\/de\\\/diagnostic-codes\\\/icd-10-code-m300\\\/#faq-question-1785497464484\",\"name\":\"How do I document polyarteritis nodosa for ICD-10 coding?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Physician documentation should state \\\"polyarteritis nodosa\\\" or an accepted synonym, confirm medium-vessel involvement, record ANCA test results, and list each organ system affected. ANCA-negative status is what supports M30.0. 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He specializes in topics around compliance in software solutions. When he's not writing at Pabau, you can find him tending to his bonsai collection or hitting the gym.","url":"https:\/\/pabau.com\/de\/blog\/author\/aleksandar-kochovski\/"},{"@type":"Question","@id":"https:\/\/pabau.com\/de\/diagnostic-codes\/icd-10-code-m300\/#faq-question-1785497464479","position":1,"url":"https:\/\/pabau.com\/de\/diagnostic-codes\/icd-10-code-m300\/#faq-question-1785497464479","name":"What is ICD-10 Code M30.0?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"ICD-10 Code M30.0 is the billable ICD-10-CM diagnosis code for polyarteritis nodosa (PAN), a systemic necrotizing vasculitis affecting medium-sized muscular arteries. It has been part of ICD-10-CM since October 1, 2015, and it remains valid for FY2026 claims. The code sits in chapter M00-M99, diseases of the musculoskeletal system and connective tissue.","inLanguage":"de"},"inLanguage":"de"},{"@type":"Question","@id":"https:\/\/pabau.com\/de\/diagnostic-codes\/icd-10-code-m300\/#faq-question-1785497464480","position":2,"url":"https:\/\/pabau.com\/de\/diagnostic-codes\/icd-10-code-m300\/#faq-question-1785497464480","name":"Is M30.0 a billable ICD-10-CM code?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Yes, M30.0 is a billable, specific ICD-10-CM code valid for HIPAA-covered claim submission. It is a terminal code in the ICD-10-CM hierarchy, meaning it cannot be further subdivided and is accepted directly for diagnosis reporting.","inLanguage":"de"},"inLanguage":"de"},{"@type":"Question","@id":"https:\/\/pabau.com\/de\/diagnostic-codes\/icd-10-code-m300\/#faq-question-1785497464481","position":3,"url":"https:\/\/pabau.com\/de\/diagnostic-codes\/icd-10-code-m300\/#faq-question-1785497464481","name":"What is the difference between M30.0 and M30.1?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"M30.0 covers classic polyarteritis nodosa, which affects medium-sized arteries without lung involvement. M30.1 covers polyarteritis with lung involvement, historically associated with Churg-Strauss syndrome. Pulmonary involvement in the record is the differentiator that routes coding to M30.1 rather than M30.0.","inLanguage":"de"},"inLanguage":"de"},{"@type":"Question","@id":"https:\/\/pabau.com\/de\/diagnostic-codes\/icd-10-code-m300\/#faq-question-1785497464482","position":4,"url":"https:\/\/pabau.com\/de\/diagnostic-codes\/icd-10-code-m300\/#faq-question-1785497464482","name":"What are the subcodes under ICD-10 category M30?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"The M30 category includes M30.0 (Polyarteritis nodosa), M30.1 (Polyarteritis with lung involvement), and M30.2 (Juvenile polyarteritis). It also covers M30.3 (Mucocutaneous lymph node syndrome, or Kawasaki disease) and M30.8 (Other conditions related to polyarteritis nodosa). Each is a clinically distinct condition, and they must not be used interchangeably.","inLanguage":"de"},"inLanguage":"de"},{"@type":"Question","@id":"https:\/\/pabau.com\/de\/diagnostic-codes\/icd-10-code-m300\/#faq-question-1785497464483","position":5,"url":"https:\/\/pabau.com\/de\/diagnostic-codes\/icd-10-code-m300\/#faq-question-1785497464483","name":"What are the excludes notes for ICD-10 Code M30.0?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"The M30 category carries an Excludes1 note for microscopic polyarteritis, which is coded M31.7. The two codes never appear on the same claim. M30 also excludes the other ANCA-associated vasculitides coded in M31, along with Kawasaki disease at M30.3.","inLanguage":"de"},"inLanguage":"de"},{"@type":"Question","@id":"https:\/\/pabau.com\/de\/diagnostic-codes\/icd-10-code-m300\/#faq-question-1785497464484","position":6,"url":"https:\/\/pabau.com\/de\/diagnostic-codes\/icd-10-code-m300\/#faq-question-1785497464484","name":"How do I document polyarteritis nodosa for ICD-10 coding?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Physician documentation should state \"polyarteritis nodosa\" or an accepted synonym, confirm medium-vessel involvement, record ANCA test results, and list each organ system affected. ANCA-negative status is what supports M30.0. Capture hepatitis B serology too when HBV-associated PAN is suspected, because that drives an additional B18.1 code.","inLanguage":"de"},"inLanguage":"de"}]}},"yoast":{"focus_keyword":"ICD-10 Code M30.0","seo_title":"ICD-10 Code M30.0: Polyarteritis nodosa vs the M30 subcodes","meta_description":"M30.0 is the billable ICD-10-CM code for polyarteritis nodosa. 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