{"id":171272,"date":"2026-08-03T12:59:05","date_gmt":"2026-08-03T12:59:05","guid":{"rendered":"https:\/\/pabau.com\/?p=171272"},"modified":"2026-08-17T12:06:16","modified_gmt":"2026-08-17T12:06:16","slug":"hcpcs-code-h0035","status":"publish","type":"post","link":"https:\/\/pabau.com\/nl\/procedure-codes\/hcpcs-code-h0035\/","title":{"rendered":"HCPCS Code H0035: Mental health partial hospitalization billing guide"},"content":{"rendered":"\n<script type=\"application\/ld+json\">{\"@context\":\"https:\/\/schema.org\",\"@type\":\"MedicalWebPage\",\"headline\":\"HCPCS Code H0035: Mental health partial hospitalization billing guide\",\"description\":\"HCPCS Code H0035 covers mental health partial hospitalization treatment, less than 24 hours. Learn documentation requirements, fee schedule, billing steps, and related codes.\",\"url\":\"https:\/\/pabau.com\/procedure-codes\/hcpcs-code-h0035\/\",\"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\":\"2026-01-28\",\"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>HCPCS Code H0035 is the HCPCS Level II code for mental health partial hospitalization treatment lasting less than 24 hours per day.<\/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>Community mental health centers bill H0035 to Medicaid, and Medicare does not reimburse the code directly.<\/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>Commercial plans usually pay a partial hospitalization day under S0201 instead, which Medicare and Medicaid do not recognize.<\/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>Every claim needs per-date medical necessity documentation, a current treatment plan, and a progress note for each service day.<\/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 links clinical notes to billing codes, which prevents the documentation errors behind most H0035 denials.<\/p>\n                        <\/div>\n                                                <\/div>\n        <\/div>\n    \n\n\n<p class=\"wp-block-paragraph\">HCPCS Code H0035 is the HCPCS Level II code for mental health partial hospitalization treatment, less than 24 hours. Community mental health centers use it to bill Medicaid for a day of care in a partial hospitalization program (PHP). One unit covers one service date, so every date needs documentation that stands on its own.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">This guide covers the official descriptor, eligible provider types, documentation requirements, and fee schedule context. It also walks through the billing sequence, the denial triggers worth watching, and how H0035 compares with the codes commercial payers and Medicare use instead.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">HCPCS Code H0035: definition and code details<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">H0035 covers a structured day-treatment model that sits between inpatient psychiatric care and standard outpatient therapy. Patients attend the program for several hours a day and return home at night. CMS maintains the code as part of the <a href=\"https:\/\/www.cms.gov\/medicare\/coding-billing\/healthcare-common-procedure-system\" target=\"_blank\" rel=\"nofollow noopener\">HCPCS Level II<\/a> set.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The &#8220;less than 24 hours&#8221; qualifier separates H0035 from inpatient psychiatric codes. A single unit represents one day of PHP attendance. Payers set the minimum hours of programming needed to bill that day. Medicare&#8217;s own PHP standard is at least 20 hours of therapeutic services a week.<\/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\">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\">H0035<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0;background:#F9FAFB\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">Official description<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Mental health partial hospitalization, treatment, less than 24 hours<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">Code type<\/td>\n<td style=\"padding:12px 16px;color:#374151\">HCPCS Level II (H-code series)<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0;background:#F9FAFB\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">Unit definition<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Per diem (one billing unit = one day of PHP attendance)<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">Primary payer<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Medicaid (state programs); limited commercial payer coverage<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0;background:#F9FAFB\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">Code series<\/td>\n<td style=\"padding:12px 16px;color:#374151\">H0031-H0040 (mental health and substance use programs)<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">Place of service<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Community mental health center (CMHC) or approved facility<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\n<p class=\"wp-block-paragraph\">The H-series covers rehabilitative and substance use treatment services. Coders can confirm current descriptors and annual updates through the <a href=\"https:\/\/www.aapc.com\/codes\/hcpcs-codes-range\/\" target=\"_blank\" rel=\"nofollow noopener\">AAPC HCPCS Level II lookup<\/a>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Who can bill H0035?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Eligible provider types are narrower than many billers expect. State Medicaid agencies define qualifying facilities in their provider manuals, and not every behavioral health practice qualifies.<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>Community mental health centers (CMHCs):<\/strong> The primary facility type recognized for H0035 billing under Medicaid. CMHCs must meet the state licensing and certification requirements set for partial hospitalization programs.<\/li><li><strong>Hospital outpatient departments:<\/strong> Some states allow approved hospital-based PHP programs to bill H0035 through Medicaid when the facility meets CMHC-equivalent standards.<\/li><li><strong>Certified behavioral health clinics:<\/strong> Some states have extended eligibility to Certified Community Behavioral Health Clinics (CCBHCs). Those centers may use H0035 for qualifying PHP services, depending on state policy.<\/li><li><strong>Freestanding PHP providers:<\/strong> Independent partial hospitalization programs can bill H0035 where state Medicaid authorizes them, subject to program certification.<\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Provider eligibility varies by state, so check your facility type against your state Medicaid provider manual before the first claim. <\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Documentation requirements for H0035<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Incomplete documentation is the most common reason H0035 claims are denied or recouped on audit. Each service date must stand on its own record. A treatment plan written at admission does not cover the daily service notes.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Establishing medical necessity<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Medical necessity is established at admission and re-documented at clinically meaningful intervals through the PHP episode. The admission psychiatric interview is where most of that evidence comes from. Required elements typically include:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>A psychiatric diagnosis from the current DSM edition that supports this level of care. Recurrent depressive episodes coded to F33.9 and psychotic presentations coded to F20.9 both commonly support H0035 days.<\/li><li>Documentation that the patient&#8217;s condition cannot be treated safely in a less intensive outpatient setting.<\/li><li>Evidence of risk factors that would otherwise require inpatient admission, such as suicidal ideation or significant functional impairment.<\/li><li>A signed, individualized treatment plan, updated at payer-specified intervals. A structured treatment plan template keeps every required element in one place.<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">What each service date needs on file<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Each day billed needs its own clinical record. <\/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\/billing_codes\/hcpcs-code-h0035\/customizable-consent-and-intake-forms.webp\" alt=\"Customizable consent and intake forms\"\/><figcaption class=\"wp-element-caption\"><em>Pabau&#8217;s customizable intake and consent forms capture PHP admission details at the point of care, so the first billable day already has its record.<\/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<p class=\"wp-block-paragraph\">Each service date needs:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>A dated progress note or group therapy note covering the services delivered that day.<\/li><li>The therapeutic modalities provided, such as individual therapy, group therapy, psychoeducation, medication management, or skills training.<\/li><li>Staff name and credentials for each service delivered.<\/li><li>Start and end times for each service component, where payer policy requires time-based documentation.<\/li><li>Patient response to treatment and any clinical change relevant to continued PHP care.<\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">For patients with co-occurring substance use, the record should carry those diagnoses too. Multi-diagnosis documentation strengthens medical necessity, and Medicaid auditors expect to see it on PHP claims.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Solid <a href=\"https:\/\/pabau.com\/blog\/best-medical-practice-management-software\/\">practice management software for medical teams<\/a> means every miscellaneous code carries the notes a payer will ask for.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">H0035 fee schedule and reimbursement rates<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Reimbursement for H0035 is set at the state Medicaid level rather than by a national fee schedule. Rates vary widely between states and can differ by provider type and contract terms. The <a href=\"https:\/\/www.cms.gov\/medicare\/physician-fee-schedule\/search\/overview\" target=\"_blank\" rel=\"nofollow noopener\">CMS Physician Fee Schedule lookup<\/a> does not apply to H0035 the way it does to CPT codes.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Medicaid and Medicare coverage compared<\/h3>\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\">Payer<\/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\">Coverage status<\/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\">Rate context<\/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\">Medicaid<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Primary payer; covered in most states for qualified CMHCs<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Per-diem rates are set by each state and commonly run between roughly $150 and $400 a day. Verify current rates with your state Medicaid agency.<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0;background:#F9FAFB\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">Medicare<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Does not reimburse H0035<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Medicare pays PHP days through HCPCS G-codes billed with PHP revenue codes. Check current CMS policy before you bill a Medicare PHP day.<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">Commercial payers<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Coverage varies; many require S0201 rather than H0035<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Confirm the required code and rate in each contract. Some plans mirror state Medicaid policy, while others set their own PHP rules.<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0;background:#F9FAFB\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">Medicaid managed care<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Covered by most Medicaid managed care organizations (MCOs)<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Rates are negotiated in MCO contracts and may differ from fee-for-service Medicaid. Confirm rates with each contracted MCO.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\n<p class=\"wp-block-paragraph\">Always pull current rates from your state Medicaid fee schedule or your MCO contract. Third-party rate tables go stale quickly, and an outdated figure turns every paid claim into a reconciliation task.<\/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>Request your state Medicaid agency&#8217;s current H0035 fee schedule in writing each January. Rates often change at the start of the fiscal year. Billing against an outdated rate table is one of the more avoidable causes of underpayment work.<\/p>\n            <\/div>\n        <\/div>\n    \n\n\n<h2 class=\"wp-block-heading\">How to bill H0035 step by step<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Partial hospitalization billing follows a set sequence, and most denials trace back to a step that was rushed. Work through these six for every patient episode.<\/p>\n\n\n\n<ol class=\"wp-block-list\"><li><strong>Confirm eligibility and benefit coverage.<\/strong> Verify Medicaid enrollment and active PHP benefits before the first service date. Check the patient&#8217;s Medicaid ID, managed care plan, and any prior authorization rules that apply to partial hospitalization.<\/li><li><strong>Obtain prior authorization where required.<\/strong> Many Medicaid managed care plans require pre-authorization for a PHP admission. Record the authorization number, the authorized service dates, and the unit limit before services begin.<\/li><li><strong>Complete the intake assessment and set the treatment plan.<\/strong> Document the psychiatric evaluation, the DSM diagnosis with its ICD-10 code, and the individualized plan before the first billable date. Where your state pays the admission screening separately, bill that visit under H0002 instead of folding it into the first PHP day.<\/li><li><strong>Document each service date at the point of care.<\/strong> Write progress notes the same day, not at the end of the week. Each note captures the date, the modalities delivered, staff credentials, patient response, and the rationale for continued PHP care.<\/li><li><strong>Submit the claim with the correct billing elements.<\/strong> Put H0035 on the claim with the applicable ICD-10 diagnosis codes, the provider NPI, the service date, and the place of service code. Submit inside your payer&#8217;s timely filing window.<\/li><li><strong>Track claim status and work denials promptly.<\/strong> Monitor remittance advice for every submitted claim. Appeal a denial inside the payer&#8217;s stated window, typically 30 to 90 days from the denial date, and attach the supporting documentation.<\/li><\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">Programs running PHP billing alongside other service lines lean on behavioral health software to hold the sequence together. It tracks authorization units, flags authorizations about to expire, and links daily notes to pending claims.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Common H0035 billing errors and how to avoid them<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">H0035 claims draw a consistent pattern of denial reasons. Catching them before submission costs far less than appealing after the fact.<\/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\">Error 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\">Why it triggers denial<\/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\">Prevention<\/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\">Missing per-date progress notes<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Payers audit at the service-date level, so a missing note means no billable service<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Require clinicians to complete notes before leaving the facility each day<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0;background:#F9FAFB\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">Billing without prior authorization<\/td>\n<td style=\"padding:12px 16px;color:#374151\">MCOs and some fee-for-service Medicaid programs require pre-authorization for a PHP admission<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Run eligibility and authorization checks on admission day, not after<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">Exceeding authorized units<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Claims beyond the authorized service-date range are denied automatically<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Track authorized units in real time and request extensions before the authorization expires<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0;background:#F9FAFB\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">Incorrect place of service code<\/td>\n<td style=\"padding:12px 16px;color:#374151\">The wrong code signals that the service happened in a non-covered setting<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Confirm the correct place of service for your facility type in your state Medicaid manual<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">Outdated or unsigned treatment plan<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Medicaid requires treatment plans to be current and signed by the right clinician<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Build plan review dates into the workflow calendar and alert clinicians before expiry<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0;background:#F9FAFB\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">Billing H0035 to Medicare<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Medicare does not reimburse H0035, so the claim is denied as non-covered<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Bill Medicare PHP days through the G-code and revenue code pathway CMS specifies<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\n<p class=\"wp-block-paragraph\">Appeals usually mean sending clinical records to a payer. Follow the HIPAA compliance requirements for medical offices so each release carries only the minimum necessary information.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">H0035 vs. related HCPCS codes<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A partial hospitalization day can land on several different codes, depending on the payer, the facility type, and the program structure. Picking the wrong one is both a compliance risk and a denial trigger.<\/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\">Key difference from H0035<\/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<\/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\">H0035<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Mental health partial hospitalization, treatment, less than 24 hours<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Primary reference code<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Medicaid billing at CMHCs for PHP day treatment<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0;background:#F9FAFB\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">S0201<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Partial hospitalization services, less than 24 hours, per diem<\/td>\n<td style=\"padding:12px 16px;color:#374151\">The commercial-payer equivalent of H0035; Medicare and Medicaid do not recognize S-codes<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Commercial and private plan PHP billing<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">S9484<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Crisis intervention mental health services, per hour<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Paid by the hour for crisis intervention rather than per diem for a program day<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Crisis intervention time, billed outside a PHP day<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0;background:#F9FAFB\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">H0031<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Mental health assessment, by non-physician<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Assessment only, not treatment; often billed at PHP admission<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Intake assessment before a PHP admission<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">H0006<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Alcohol and\/or drug services; case management<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Covers substance use case management rather than mental health PHP treatment<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Co-occurring programs with documented case management<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0;background:#F9FAFB\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">G0410 \/ G0411<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Group psychotherapy in a partial hospitalization setting, approximately 45 to 50 minutes<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Medicare&#8217;s PHP pathway, billed with revenue code 0912 or 0913<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Medicare PHP billing at hospital outpatient departments and CMHCs<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\n<p class=\"wp-block-paragraph\">S9484 gets confused with H0035 because both show up in behavioral health contracts. It pays by the hour for crisis intervention, so it never substitutes for a program day. Bill crisis hours separately when your program delivers them.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Two H-codes sit close to H0035 in daily billing. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Respite days are a separate benefit with their own code. Programs that provide them bill H0045 rather than adding the day to a PHP claim.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Medicare runs its PHP payments through G0410 and G0411 with PHP revenue codes, and the rules sit in the CMS <a href=\"https:\/\/www.cms.gov\/medicare\/payment\/prospective-payment-systems\/hospital-outpatient\" target=\"_blank\" rel=\"nofollow noopener\">hospital outpatient payment<\/a> guidance. A Medicare claim carrying H0035 comes back as non-covered.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Co-occurring ADHD is common in PHP populations, and screening visits usually carry their own CPT codes. Practices running ADHD services alongside a PHP should confirm which of those visits their state Medicaid program pays separately.<\/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>Ask every contracted commercial payer in writing which code it wants for a partial hospitalization day. Some accept H0035, while many require S0201 or their own per-diem code. One check at contracting time prevents systematic denials across every claim you send that plan.<\/p>\n            <\/div>\n        <\/div>\n    \n\n\n<h2 class=\"wp-block-heading\">Related HCPCS codes<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/pabau.com\/procedure-codes\/hcpcs-code-h0032-mental-health-service\/\">HCPCS code H0032 \u2014 Mental Health Service Plan Development by Non-Physician<\/a><\/li>\n\n\n<li><a href=\"https:\/\/pabau.com\/procedure-codes\/hcpcs-code-h0036\/\">HCPCS code H0036 \u2014 Community psychiatric supportive treatment<\/a><\/li>\n\n\n<li><a href=\"https:\/\/pabau.com\/procedure-codes\/hcpcs-code-h0038\/\">HCPCS code H0038 \u2014 Self-help\/peer services<\/a><\/li>\n\n\n<li><a href=\"https:\/\/pabau.com\/procedure-codes\/hcpcs-code-h0044\/\">HCPCS Code H0044 \u2014 Supported housing, per month<\/a><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">How Pabau links PHP documentation to H0035 claims<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">PHP billing usually breaks down between the clinical record and the claim. Clinicians write their notes, then billing staff retrieve them by hand to check service dates, authorized units, and attachments. Every manual handoff is a point of failure.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Practice management software like Pabau ties documentation to billing at the point of care. Pabau&#8217;s claims management software connects clinical notes to code assignment and claim preparation. Billing staff can see which service dates have complete documentation before they submit, instead of finding out during an audit.<\/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\/billing_codes\/hcpcs-code-h0035\/automate-claims-through-healthcode.webp\" alt=\"Automate claims and billing with Pabau\"\/><figcaption class=\"wp-element-caption\"><em>Pabau&#8217;s claims management links each PHP service date to its documentation, so H0035 claims go out without anyone chasing notes.<\/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<p class=\"wp-block-paragraph\">Three workflows carry most of the weight for H0035 billing:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Authorization tracking that flags units as they approach the approved limit.<\/li><li>Treatment plan alerts that fire before a plan expires.<\/li><li>Denial reporting that shows whether denials cluster on missing notes, place of service errors, or particular service dates.<\/li><\/ul>\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                    Manage behavioral health billing in one place                <\/h3>\n\n                <p class=\"description\">\n                    Pabau connects clinical documentation to billing codes, flags authorization limits, and tracks claim status across your PHP caseload. Your billing team spends less time chasing records and more time resolving denials.                <\/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 for behavioral health billing\"\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\">H0035 rewards programs that treat documentation as part of care delivery rather than paperwork that follows it. When the notes are complete on the day of service, the claim is straightforward. When they are not, no appeals process recovers the full value of that week.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The trade-off worth remembering is scrutiny. A per-diem code that covers a full day of psychiatric care attracts audits, and state policy changes more often than most billing teams check. Put a January rate review in the calendar and check authorization limits weekly.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/pabau.com\/book-demo\/\">Book a demo<\/a> to see how Pabau ties daily PHP notes to H0035 claims and flags authorization limits before they cost you a service date.<\/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>Stepping patients down after a PHP episode?<\/strong> <a href=\"https:\/\/pabau.com\/procedure-codes\/hcpcs-code-h0036\/\">H0036<\/a> covers community psychiatric supportive treatment in 15-minute units, which is where many PHP graduates continue care.<\/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>Managing acute withdrawal alongside psychiatric care?<\/strong> <a href=\"https:\/\/pabau.com\/procedure-codes\/hcpcs-code-h0013\/\">H0013<\/a> covers acute detoxification services, which are billed separately from any PHP day.<\/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>Building peer support into your program?<\/strong> <a href=\"https:\/\/pabau.com\/procedure-codes\/hcpcs-code-h0038\/\">H0038<\/a> covers self-help and peer services in 15-minute units, with its own documentation expectations.<\/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>Standardizing your PHP admissions?<\/strong> <a href=\"https:\/\/pabau.com\/templates\/psychiatry-intake-form\/\">Psychiatry intake form<\/a> gives you a structured starting point for the assessment that supports medical necessity.<\/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>Treating bipolar patients in a program?<\/strong> <a href=\"https:\/\/pabau.com\/templates\/bipolar-treatment-plan\/\">Bipolar treatment plan<\/a> sets out goals and interventions that hold up to a Medicaid review.<\/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-1785753093194\"><h3 class=\"schema-faq-question\">What is HCPCS Code H0035?<\/h3> <p class=\"schema-faq-answer\">HCPCS Code H0035 is the HCPCS Level II code for mental health partial hospitalization treatment, less than 24 hours. Community mental health centers use it to bill Medicaid for structured day treatment that delivers intensive psychiatric care without an overnight stay.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1785753093195\"><h3 class=\"schema-faq-question\">What is the reimbursement rate for H0035?<\/h3> <p class=\"schema-faq-answer\">H0035 rates are set by each state Medicaid program and vary widely. Per-diem rates commonly run between roughly $150 and $400 a day. The figure depends on the state, the program type, and whether you bill fee-for-service Medicaid or a managed care plan. Always confirm current rates with your state agency or contracted MCO.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1785753093196\"><h3 class=\"schema-faq-question\">Is H0035 covered by Medicare?<\/h3> <p class=\"schema-faq-answer\">Medicare does not reimburse HCPCS Code H0035. It pays partial hospitalization days through HCPCS G-codes such as G0410 and G0411, billed with PHP revenue code 0912 or 0913. Programs treating Medicare patients should follow current CMS partial hospitalization guidance instead of submitting H0035.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1785753093197\"><h3 class=\"schema-faq-question\">Who can bill HCPCS code H0035?<\/h3> <p class=\"schema-faq-answer\">Community mental health centers are the primary eligible provider type for H0035 under Medicaid. Some states extend eligibility to Certified Community Behavioral Health Clinics and approved hospital outpatient PHP programs. Each state Medicaid agency defines eligibility, so verify your facility type before you bill.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1785753093198\"><h3 class=\"schema-faq-question\">Do commercial payers accept H0035?<\/h3> <p class=\"schema-faq-answer\">Coverage varies by plan. Many commercial and private payers pay a partial hospitalization day under S0201 rather than H0035, and Medicare and Medicaid do not recognize S-codes. S9484 is a per-hour crisis intervention code, so it never substitutes for a program day. Confirm the required code with each plan before you bill.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1785753093199\"><h3 class=\"schema-faq-question\">What are the most common billing errors with H0035?<\/h3> <p class=\"schema-faq-answer\">The most frequent errors are missing per-date progress notes, claims sent without prior authorization, and units billed beyond the authorization. Incorrect place of service codes and Medicare submissions round out the list. Each one has a prevention step that belongs in the billing workflow before claims go out.<\/p> <\/div> <\/div>\n\n","protected":false},"excerpt":{"rendered":"<p>H0035 bills a Medicaid partial hospitalization day per diem. Medicare pays PHP through G-codes, and each service date needs its own note.<\/p>\n","protected":false},"author":81,"featured_media":171270,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_linkdex":"","_yoast_wpseo_content_score":"","_yoast_wpseo_is_cornerstone":"","_yoast_wpseo_keywordsynonyms":"","_yoast_wpseo_focuskw_text_input":"","_seo_original_html":"","footnotes":""},"categories":[1433,1548],"tags":[2568,1364,1582,1619,3814,4016],"class_list":["post-171272","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-billing-codes","category-hcpcs","tag-behavioral-health-billing","tag-billing","tag-hcpcs","tag-hcpcs-billing","tag-medicaid-billing","tag-partial-hospitalization-billing"],"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>HCPCS Code H0035: rates, documentation, and who can bill<\/title>\n<meta name=\"description\" content=\"H0035 bills a Medicaid partial hospitalization day per diem. Medicare pays PHP through G-codes, and each service date needs its own note.\" \/>\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\/nl\/procedure-codes\/hcpcs-code-h0035\/\" \/>\n<meta property=\"og:locale\" content=\"nl_NL\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"HCPCS Code H0035: rates, documentation, and who can bill\" \/>\n<meta property=\"og:description\" content=\"H0035 bills a Medicaid partial hospitalization day per diem. Medicare pays PHP through G-codes, and each service date needs its own note.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/pabau.com\/nl\/procedure-codes\/hcpcs-code-h0035\/\" \/>\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=\"2026-08-03T12:59:05+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-08-17T12:06:16+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/pabau.com\/wp-content\/uploads\/2026\/08\/hcpcs-code-h0035.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=\"Geschreven door\" \/>\n\t<meta name=\"twitter:data1\" content=\"Aleksandar Kochovski\" \/>\n\t<meta name=\"twitter:label2\" content=\"Geschatte leestijd\" \/>\n\t<meta name=\"twitter:data2\" content=\"12 minuten\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/pabau.com\\\/nl\\\/procedure-codes\\\/hcpcs-code-h0035\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/pabau.com\\\/nl\\\/procedure-codes\\\/hcpcs-code-h0035\\\/\"},\"author\":{\"name\":\"Aleksandar Kochovski\",\"@id\":\"https:\\\/\\\/pabau.com\\\/nl\\\/#\\\/schema\\\/person\\\/73b672a49e20bfba8161e3c17ee3dda2\"},\"headline\":\"HCPCS Code H0035: Mental health partial hospitalization billing guide\",\"datePublished\":\"2026-08-03T12:59:05+00:00\",\"dateModified\":\"2026-08-17T12:06:16+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/pabau.com\\\/nl\\\/procedure-codes\\\/hcpcs-code-h0035\\\/\"},\"wordCount\":2465,\"publisher\":{\"@id\":\"https:\\\/\\\/pabau.com\\\/nl\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/pabau.com\\\/nl\\\/procedure-codes\\\/hcpcs-code-h0035\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/pabau.com\\\/wp-content\\\/uploads\\\/2026\\\/08\\\/hcpcs-code-h0035.webp\",\"keywords\":[\"Behavioral Health Billing\",\"billing\",\"Hcpcs\",\"Hcpcs Billing\",\"Medicaid Billing\",\"Partial Hospitalization Billing\"],\"articleSection\":[\"Billing Codes\",\"HCPCS\"],\"inLanguage\":\"nl-NL\"},{\"@type\":[\"WebPage\",\"FAQPage\"],\"@id\":\"https:\\\/\\\/pabau.com\\\/nl\\\/procedure-codes\\\/hcpcs-code-h0035\\\/\",\"url\":\"https:\\\/\\\/pabau.com\\\/nl\\\/procedure-codes\\\/hcpcs-code-h0035\\\/\",\"name\":\"HCPCS Code H0035: rates, documentation, and who can bill\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/pabau.com\\\/nl\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/pabau.com\\\/nl\\\/procedure-codes\\\/hcpcs-code-h0035\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/pabau.com\\\/nl\\\/procedure-codes\\\/hcpcs-code-h0035\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/pabau.com\\\/wp-content\\\/uploads\\\/2026\\\/08\\\/hcpcs-code-h0035.webp\",\"datePublished\":\"2026-08-03T12:59:05+00:00\",\"dateModified\":\"2026-08-17T12:06:16+00:00\",\"description\":\"H0035 bills a Medicaid partial hospitalization day per diem. 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It combines scheduling, electronic health records, clinical forms, payments, marketing automation, reporting, and patient engagement tools into one secure cloud system to help practices streamline operations and grow their business.\",\"foundingDate\":\"2011-10-20\",\"numberOfEmployees\":{\"@type\":\"QuantitativeValue\",\"minValue\":\"201\",\"maxValue\":\"500\"}},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/pabau.com\\\/nl\\\/#\\\/schema\\\/person\\\/73b672a49e20bfba8161e3c17ee3dda2\",\"name\":\"Aleksandar Kochovski\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"nl-NL\",\"@id\":\"https:\\\/\\\/pabau.com\\\/wp-content\\\/uploads\\\/2026\\\/06\\\/cropped-aleksandar-kochovski-profile-picture-96x96.jpeg\",\"url\":\"https:\\\/\\\/pabau.com\\\/wp-content\\\/uploads\\\/2026\\\/06\\\/cropped-aleksandar-kochovski-profile-picture-96x96.jpeg\",\"contentUrl\":\"https:\\\/\\\/pabau.com\\\/wp-content\\\/uploads\\\/2026\\\/06\\\/cropped-aleksandar-kochovski-profile-picture-96x96.jpeg\",\"caption\":\"Aleksandar Kochovski\"},\"description\":\"Aleksandar is a content strategist and editor working in tech publishing, with a background in higher education. 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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\/nl\/blog\/author\/aleksandar-kochovski\/"},{"@type":"Question","@id":"https:\/\/pabau.com\/nl\/procedure-codes\/hcpcs-code-h0035\/#faq-question-1785753093194","position":1,"url":"https:\/\/pabau.com\/nl\/procedure-codes\/hcpcs-code-h0035\/#faq-question-1785753093194","name":"What is HCPCS Code H0035?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"HCPCS Code H0035 is the HCPCS Level II code for mental health partial hospitalization treatment, less than 24 hours. Community mental health centers use it to bill Medicaid for structured day treatment that delivers intensive psychiatric care without an overnight stay.","inLanguage":"nl-NL"},"inLanguage":"nl-NL"},{"@type":"Question","@id":"https:\/\/pabau.com\/nl\/procedure-codes\/hcpcs-code-h0035\/#faq-question-1785753093195","position":2,"url":"https:\/\/pabau.com\/nl\/procedure-codes\/hcpcs-code-h0035\/#faq-question-1785753093195","name":"What is the reimbursement rate for H0035?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"H0035 rates are set by each state Medicaid program and vary widely. Per-diem rates commonly run between roughly $150 and $400 a day. The figure depends on the state, the program type, and whether you bill fee-for-service Medicaid or a managed care plan. Always confirm current rates with your state agency or contracted MCO.","inLanguage":"nl-NL"},"inLanguage":"nl-NL"},{"@type":"Question","@id":"https:\/\/pabau.com\/nl\/procedure-codes\/hcpcs-code-h0035\/#faq-question-1785753093196","position":3,"url":"https:\/\/pabau.com\/nl\/procedure-codes\/hcpcs-code-h0035\/#faq-question-1785753093196","name":"Is H0035 covered by Medicare?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Medicare does not reimburse HCPCS Code H0035. It pays partial hospitalization days through HCPCS G-codes such as G0410 and G0411, billed with PHP revenue code 0912 or 0913. Programs treating Medicare patients should follow current CMS partial hospitalization guidance instead of submitting H0035.","inLanguage":"nl-NL"},"inLanguage":"nl-NL"},{"@type":"Question","@id":"https:\/\/pabau.com\/nl\/procedure-codes\/hcpcs-code-h0035\/#faq-question-1785753093197","position":4,"url":"https:\/\/pabau.com\/nl\/procedure-codes\/hcpcs-code-h0035\/#faq-question-1785753093197","name":"Who can bill HCPCS code H0035?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Community mental health centers are the primary eligible provider type for H0035 under Medicaid. Some states extend eligibility to Certified Community Behavioral Health Clinics and approved hospital outpatient PHP programs. Each state Medicaid agency defines eligibility, so verify your facility type before you bill.","inLanguage":"nl-NL"},"inLanguage":"nl-NL"},{"@type":"Question","@id":"https:\/\/pabau.com\/nl\/procedure-codes\/hcpcs-code-h0035\/#faq-question-1785753093198","position":5,"url":"https:\/\/pabau.com\/nl\/procedure-codes\/hcpcs-code-h0035\/#faq-question-1785753093198","name":"Do commercial payers accept H0035?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Coverage varies by plan. Many commercial and private payers pay a partial hospitalization day under S0201 rather than H0035, and Medicare and Medicaid do not recognize S-codes. S9484 is a per-hour crisis intervention code, so it never substitutes for a program day. Confirm the required code with each plan before you bill.","inLanguage":"nl-NL"},"inLanguage":"nl-NL"},{"@type":"Question","@id":"https:\/\/pabau.com\/nl\/procedure-codes\/hcpcs-code-h0035\/#faq-question-1785753093199","position":6,"url":"https:\/\/pabau.com\/nl\/procedure-codes\/hcpcs-code-h0035\/#faq-question-1785753093199","name":"What are the most common billing errors with H0035?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"The most frequent errors are missing per-date progress notes, claims sent without prior authorization, and units billed beyond the authorization. Incorrect place of service codes and Medicare submissions round out the list. Each one has a prevention step that belongs in the billing workflow before claims go out.","inLanguage":"nl-NL"},"inLanguage":"nl-NL"}]}},"yoast":{"focus_keyword":"HCPCS Code H0035","seo_title":"HCPCS Code H0035: rates, documentation, and who can bill","meta_description":"H0035 bills a Medicaid partial hospitalization day per diem. 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