{"id":163333,"date":"2026-07-27T11:53:32","date_gmt":"2026-07-27T11:53:32","guid":{"rendered":"https:\/\/pabau.com\/?p=163333"},"modified":"2026-08-17T11:32:40","modified_gmt":"2026-08-17T11:32:40","slug":"hcpcs-code-e0471","status":"publish","type":"post","link":"https:\/\/pabau.com\/fr\/procedure-codes\/hcpcs-code-e0471\/","title":{"rendered":"HCPCS Code E0471: BiPAP with backup rate billing guide"},"content":{"rendered":"\n<script type=\"application\/ld+json\">{\"@context\":\"https:\/\/schema.org\",\"@type\":\"MedicalWebPage\",\"headline\":\"HCPCS Code E0471: BiPAP with backup rate billing guide\",\"description\":\"HCPCS Code E0471 covers a respiratory assist device, bi-level pressure with backup rate. Learn Medicare coverage criteria, qualifying diagnoses, documentation requirements, fee schedule rates, and billing modifiers.\",\"url\":\"https:\/\/pabau.com\/procedure-codes\/hcpcs-code-e0471\/\",\"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\":\"2026-07-28\",\"dateModified\":\"2026-07-28\"}<\/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 E0471 describes a respiratory assist device with bi-level pressure capability and a backup respiratory rate feature, used with a noninvasive interface such as a nasal or facial mask.<\/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>E0471 differs from E0470 in one critical way: the backup rate. Missing this distinction when selecting codes is one of the most common DME billing errors and triggers claim denials.<\/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>Medicare covers E0471 on a capped rental basis (typically 13 months), but requires a qualifying diagnosis, a face-to-face examination, a written order, and a sleep study before coverage begins.<\/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>Pabau&rsquo;s claims management software helps DME suppliers and respiratory therapy practices track E0471 documentation requirements, apply the correct modifiers \u2014 RR for rental plus KX, GA, or GZ for medical necessity \u2014 and reduce denial rates.<\/p>\n                        <\/div>\n                                                <\/div>\n        <\/div>\n    \n\n\n<p class=\"wp-block-paragraph\">HCPCS Code E0471 is a billing code for a respiratory assist device with bi-level pressure capability and a backup respiratory rate feature, used with a noninvasive interface such as a nasal or facial mask.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Commonly called a BiPAP-ST device, it differs from E0470 by that backup rate: if the patient doesn&rsquo;t initiate a breath within a set interval, the machine delivers one automatically.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Most E0471 claim denials trace back to three mistakes: wrong code selection between E0470 and E0471, incomplete documentation at the time of billing, and missing modifier codes. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">This guide covers the official descriptor, Medicare coverage requirements and qualifying diagnoses, documentation requirements, 2026 fee schedule rates, billing modifiers, prior authorization, and the billing errors that put E0471 claims at risk.<\/p>\n\n\n\n<h2 id=\"h-hcpcs-code-e0471-official-description-and-device-type\" class=\"wp-block-heading\">HCPCS Code E0471: Official description and device type<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">HCPCS Code E0471 has the following official descriptor, as maintained by the Centers for Medicare and Medicaid Services, or <a href=\"https:\/\/www.cms.gov\/medicare\/coding-billing\/healthcare-common-procedure-system\" target=\"_blank\" rel=\"nofollow noopener\">CMS<\/a>:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Respiratory assist device, bi-level pressure capability, with back-up rate feature, used with noninvasive interface (e.g., nasal or facial mask), intermittent assist device with continuous positive airway pressure device.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">In plain terms, E0471 is the billing code for a BiPAP device that includes a timed backup respiratory rate. This is also called a BiPAP-ST (spontaneous\/timed). The device delivers both inspiratory positive airway pressure (IPAP) and expiratory positive airway pressure (EPAP), and if the patient does not initiate a breath within a set interval, the machine delivers one automatically.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The backup rate feature is clinically significant. It is prescribed for patients whose respiratory drive may be compromised, making it more medically complex than a standard BiPAP or CPAP device. This complexity is also what makes E0471 a higher-scrutiny billing code.<\/p>\n\n\n\n<h2 id=\"h-e0470-vs-e0471-vs-e0601-understanding-the-code-differences\" class=\"wp-block-heading\">E0470 vs E0471 vs E0601: Understanding the code differences<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Selecting the wrong code in the E04xx range accounts for a significant share of respiratory DME denials. The three most commonly confused codes are <a href=\"https:\/\/pabau.com\/procedure-codes\/hcpcs-code-e0601-cpap-device\/\">E0601<\/a>. Each describes a different device type, and Medicare will reject a claim where the billed code does not match the device actually provided.<\/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\">HCPCS 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\">Device 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\">Backup Rate?<\/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 Indication<\/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\">E0601<\/td>\n<td style=\"padding:12px 16px;color:#374151\">CPAP device<\/td>\n<td style=\"padding:12px 16px;color:#374151\">No<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Obstructive sleep apnea (OSA)<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0;background:#F9FAFB\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">E0470<\/td>\n<td style=\"padding:12px 16px;color:#374151\">BiPAP device, bi-level pressure, no backup rate<\/td>\n<td style=\"padding:12px 16px;color:#374151\">No<\/td>\n<td style=\"padding:12px 16px;color:#374151\">OSA failing CPAP; COPD; obesity hypoventilation<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">E0471<\/td>\n<td style=\"padding:12px 16px;color:#374151\">BiPAP-ST, bi-level pressure with backup respiratory rate<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Yes<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Central sleep apnea; respiratory muscle weakness; hypoventilation syndromes<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\n<p class=\"wp-block-paragraph\">The key distinction between E0470 and E0471 is the backup rate. If the prescribed device has this feature and it has been set by the clinician, E0471 is the correct code.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Billing E0470 when the device includes a backup rate understates the medical complexity and may be flagged as underbilling. Billing E0471 for a standard BiPAP without the feature is overbilling and invites audit risk.<\/p>\n\n\n\n<h2 id=\"h-medicare-coverage-requirements-for-hcpcs-code-e0471\" class=\"wp-block-heading\">Medicare coverage requirements for HCPCS Code E0471<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Medicare covers E0471 as durable medical equipment (DME) under Part B, subject to Local Coverage Determinations (LCDs) maintained by the relevant Medicare Administrative Contractor (MAC). Coverage is not automatic. The patient&rsquo;s clinical situation must meet specific criteria before a claim will be paid.<\/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-e0471\/hipaa-compliance-in-pabau.webp\" alt=\"HIPAA compliance in Pabau\"\/><figcaption class=\"wp-element-caption\"><em>HIPAA compliance in Pabau<\/em><\/figcaption><\/figure>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">The core coverage requirements, as outlined by CGS Medicare and consistent with CMS guidance, include all of the following:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>A qualifying diagnosis supported by appropriate ICD-10 diagnosis codes (see the qualifying diagnoses section below)<\/li>\n\n\n\n<li>A face-to-face clinical evaluation by the treating physician within a specific timeframe before the written order is issued<\/li>\n\n\n\n<li>A written order (prescription) from the treating physician that specifies the device type, settings, and backup rate requirement<\/li>\n\n\n\n<li>A sleep study or other qualifying diagnostic test conducted in a facility-based or home setting, depending on the diagnosis<\/li>\n\n\n\n<li>Documentation of medical necessity establishing that CPAP (E0601) has been tried and failed, or that the patient&rsquo;s condition requires bi-level pressure with backup rate from the outset<\/li>\n\n\n\n<li>Compliance documentation: continued coverage requires a re-evaluation, completed no sooner than day 61 after starting therapy and documented in the medical record, showing compliant use averaging at least four hours per 24-hour period, plus a signed and dated statement from the treating practitioner (also completed no sooner than day 61) confirming compliant use and clinical benefit, per the Respiratory Assist Devices LCD (L33800)<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Medicare reimburses E0471 on a capped rental basis. Under standard DMEPOS capped rental rules, Medicare pays a monthly rental fee for the first 13 months, after which ownership of the device transfers to the beneficiary. Verify current capped rental month counts against CMS DMEPOS guidance before applying this to specific claims, as policies are subject to revision.<\/p>\n\n\n\n<h3 id=\"h-qualifying-diagnoses-for-e0471\" class=\"wp-block-heading\">Qualifying diagnoses for E0471<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">The treating physician&rsquo;s documentation must support one of the qualifying clinical diagnoses recognized under the applicable LCD. Diagnoses commonly associated with E0471 coverage include:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Central sleep apnea (CSA)<\/strong> with documented events on a sleep study (typically an apnea-hypopnea index of 5 or more predominantly central events)<\/li>\n\n\n\n<li><strong>Obesity hypoventilation syndrome (OHS)<\/strong> with a body mass index above 30 and documented hypercapnia (PaCO2 above 45 mmHg)<\/li>\n\n\n\n<li><strong>Chronic obstructive pulmonary disease (COPD)<\/strong> with hypercapnic respiratory failure not adequately treated by E0470<\/li>\n\n\n\n<li><strong>Restrictive thoracic disorders<\/strong> including kyphoscoliosis and chest wall deformities where respiratory muscle function is impaired<\/li>\n\n\n\n<li><strong>Neuromuscular diseases<\/strong> such as amyotrophic lateral sclerosis (ALS), muscular dystrophy, and post-polio syndrome with documented respiratory muscle weakness<\/li>\n\n\n\n<li><strong>Hypoventilation syndromes<\/strong> documented by nocturnal oximetry or arterial blood gas testing showing sustained hypoxemia or hypercapnia during sleep<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Because obesity hypoventilation syndrome sits at the intersection of respiratory and weight management, practices treating these patients alongside a broader weight-management program often coordinate care with weight-loss clinic software that keeps BMI trends and hypercapnia results in the same record as the DME order.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The specific ICD-10 codes that map to these conditions must be verified against the current LCD for the applicable MAC jurisdiction. LCDs vary by contractor and are updated periodically. Always confirm qualifying codes against the current LCD before submitting a claim.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">With <a href=\"https:\/\/pabau.com\/features\/inventory-management-software\/\">built-in stock tracking<\/a>, every brace or device billed under these codes is deducted from inventory automatically.<\/p>\n\n\n\n<h2 id=\"h-documentation-requirements-for-e0471\" class=\"wp-block-heading\">Documentation requirements for E0471<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Documentation failures are the leading cause of E0471 post-payment audits. A claim that passes initial adjudication can still be recouped during a MAC audit if the medical record cannot support every element of the coverage criteria. Maintaining paperless practice management systems with structured documentation templates significantly reduces this risk.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The documentation package for an E0471 claim must include:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Written order:<\/strong> Signed by the treating physician, dated before delivery, specifying bi-level pressure with backup rate, prescribed IPAP and EPAP settings, and the backup rate setting<\/li>\n\n\n\n<li><strong>Face-to-face examination:<\/strong> Clinical note from the treating physician documenting the examination that supports medical necessity, dated within the timeframe required by the applicable LCD (typically within six months of the order)<\/li>\n\n\n\n<li><strong>Sleep study report:<\/strong> Complete diagnostic sleep study (polysomnography or home sleep apnea test) showing qualifying findings, conducted in accordance with the LCD&rsquo;s accepted testing standards<\/li>\n\n\n\n<li><strong>Proof of CPAP trial or clinical justification:<\/strong> For patients moving from CPAP to E0471, documentation of the CPAP trial period, compliance data, and the clinical reason for escalation<\/li>\n\n\n\n<li><strong>Delivery documentation:<\/strong> Confirmation that the specific device model was delivered to the patient, including serial number and delivery date<\/li>\n\n\n\n<li><strong>Continued coverage documentation:<\/strong> The re-evaluation and compliance download completed no sooner than day 61, plus the treating practitioner&rsquo;s signed and dated statement confirming compliant use and clinical benefit, to support continued rental payments<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">The face-to-face evaluation is often completed by a primary care physician before referral to a sleep or pulmonary specialist.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Practices using digital intake forms can build structured intake workflows that capture each required element at the point of patient onboarding, reducing the risk of missing documentation discovered at 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-e0471\/customizable-consent-and-intake-forms.webp\" alt=\"Customizable consent and intake forms\"\/><figcaption class=\"wp-element-caption\"><em>Customizable consent and intake forms<\/em><\/figcaption><\/figure>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 id=\"h-2026-medicare-fee-schedule-and-reimbursement-rates-for-e0471\" class=\"wp-block-heading\">2026 Medicare fee schedule and reimbursement rates for E0471<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Medicare reimbursement for HCPCS Code E0471 is determined by the DMEPOS fee schedule, not the physician fee schedule. Rates are set at the national level and adjusted by geographic locality. For 2026 rates, consult the CMS <a href=\"https:\/\/www.cms.gov\/medicare\/physician-fee-schedule\/search\/overview\" target=\"_blank\" rel=\"nofollow noopener\">fee schedule lookup tool<\/a> and the DMEPOS fee schedule files published annually by CMS.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Because E0471 is billed as a capped rental, the fee schedule sets a monthly rental rate. The allowable amount varies by modifier (rental vs. purchase vs. used equipment) and by MAC jurisdiction.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Third-party aggregators report 2026 national allowed amounts in a range, but these figures should be verified directly against the current CMS DMEPOS fee schedule file before relying on them for billing decisions.<\/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\">Billing Scenario<\/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\">Modifier<\/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\">Notes<\/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\">Monthly rental (months 1-13)<\/td>\n<td style=\"padding:12px 16px;color:#374151\">RR<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Standard capped rental rate; monthly billing until month 13<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0;background:#F9FAFB\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">New equipment purchase<\/td>\n<td style=\"padding:12px 16px;color:#374151\">NU<\/td>\n<td style=\"padding:12px 16px;color:#374151\">New\/unused equipment; full purchase rather than rental<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">Used equipment purchase<\/td>\n<td style=\"padding:12px 16px;color:#374151\">UE<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Refurbished\/used device; typically a reduced allowed amount<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\n<p class=\"wp-block-paragraph\">For current DMEPOS fee schedule data by jurisdiction, use the <a href=\"https:\/\/www.aapc.com\/codes\/hcpcs-codes-range\/\" target=\"_blank\" rel=\"nofollow noopener\">AAPC HCPCS code lookup<\/a> for a quick reference, and confirm against the official CMS files before submitting claims.<\/p>\n\n\n\n<h2 id=\"h-billing-modifiers-for-hcpcs-code-e0471\" class=\"wp-block-heading\">Billing modifiers for HCPCS Code E0471<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Applying the wrong modifier is a fast path to claim rejection. Every E0471 claim line needs two things: a modifier describing the transaction type (RR, NU, or UE) and a modifier attesting to medical necessity (KX, GA, or GZ). Missing either category causes a denial.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Using claims management software that enforces modifier selection at the point of claim submission prevents this category of error entirely.<\/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-e0471\/automate-claims-through-healthcode.webp\" alt=\"Automate claims and billing with Pabau\"\/><figcaption class=\"wp-element-caption\"><em>Automate claims and billing with Pabau<\/em><\/figcaption><\/figure>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">The transaction-type modifiers for E0471 are:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>RR (Rental):<\/strong> Applied to monthly rental claims during the capped rental period (months 1 through 13). This is the only transaction-type modifier that applies to Medicare billing of E0471, since it&rsquo;s a capped-rental item.<\/li>\n\n\n\n<li><strong>NU (New equipment) and UE (Used equipment):<\/strong> These purchase modifiers generally do not apply to Medicare billing of E0471. Medicare&rsquo;s capped-rental rules don&rsquo;t allow an outright purchase of this item, so a claim submitted with NU or UE will be denied. NU and UE may be relevant only under commercial payers that don&rsquo;t use the capped-rental model.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Alongside the transaction-type modifier, every E0471 claim line, and related accessory line, must also carry one medical-necessity attestation modifier:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>KX:<\/strong> Attests that documentation supporting medical necessity is on file and available on request. Applied when the LCD&rsquo;s coverage criteria are met.<\/li>\n\n\n\n<li><strong>GA:<\/strong> Applied when coverage criteria aren&rsquo;t met but the patient has signed a valid Advance Beneficiary Notice, shifting potential liability to the beneficiary.<\/li>\n\n\n\n<li><strong>GZ:<\/strong> Applied when coverage criteria aren&rsquo;t met and no valid Advance Beneficiary Notice is on file. Medicare expects claims carrying this modifier to be denied.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Some MAC jurisdictions or commercial payers may require additional modifiers for specific circumstances. Verify modifier requirements with the applicable MAC&rsquo;s LCD or payer contract before submission.<\/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>Run a modifier audit on your E0471 claims every quarter. Pull all claims billed in the prior 90 days and confirm that each rental claim carries the RR modifier and that the month count is accurate. A claim submitted with NU or UE during the rental period will be rejected, and a claim submitted without any modifier will typically default to a denied status at adjudication.<\/p>\n            <\/div>\n        <\/div>\n    \n\n\n<h2 id=\"h-prior-authorization-requirements-for-e0471\" class=\"wp-block-heading\">Prior authorization requirements for E0471<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Whether E0471 requires prior authorization (PA) depends on the MAC jurisdiction and the payer. CMS has expanded prior authorization requirements for certain DMEPOS codes through its Prior Authorization program for certain high-utilization DME. Practices handling healthcare compliance workflows for respiratory equipment should check current PA requirements before initiating device placement.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">For Medicare Fee-for-Service claims, check the following:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Confirm whether E0471 is on the CMS Prior Authorization for Certain DMEPOS list for the current year<\/li>\n\n\n\n<li>Check the applicable MAC&rsquo;s website (CGS Medicare, Noridian, Palmetto GBA, or NGS) for any MAC-specific PA requirements beyond the CMS national program<\/li>\n\n\n\n<li>For Medicare Advantage plans, PA requirements vary by plan and are not governed by CMS LCD policy. Contact the plan directly<\/li>\n\n\n\n<li>Commercial payer PA requirements are set by each individual payer contract<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">When PA is required, the prior authorization request must include the same documentation package described in the documentation requirements section above. Submitting an incomplete PA request delays device placement and pushes the billing timeline back further.<\/p>\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                    Reduce E0471 claim denials with better billing workflows                <\/h3>\n\n                <p class=\"description\">\n                    Pabau helps DME suppliers and respiratory practices track documentation requirements, apply correct modifiers, and manage compliance for complex HCPCS codes including E0471.                <\/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 claims management dashboard\"\n                    loading=\"lazy\"\n                \/>\n            <\/div>\n        <\/div>\n        \n\n\n<h2 id=\"h-common-billing-errors-when-using-respiratory-assist-device-hcpcs-codes\" class=\"wp-block-heading\">Common billing errors when using respiratory assist device HCPCS codes<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">CMS compliance reviews consistently flag respiratory assist device claims. The most common errors identified across MAC jurisdictions include both documentation failures and active billing mistakes.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Practices using direct primary care software that integrates billing and clinical records can catch many of these at the point of documentation rather than post-submission.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Wrong code selection:<\/strong> Billing E0471 for a standard BiPAP device (E0470) or CPAP (E0601) because the backup rate feature was not verified. Always confirm device specifications with the manufacturer or equipment sheet before selecting the code.<\/li>\n\n\n\n<li><strong>Missing written order:<\/strong> Submitting a claim without a compliant written order in the file. The order must be signed, dated before delivery, and specify the backup rate setting.<\/li>\n\n\n\n<li><strong>Incomplete sleep study documentation:<\/strong> Using a sleep study that does not meet the LCD&rsquo;s technical requirements (e.g., insufficient recording time, wrong testing setting for the diagnosis).<\/li>\n\n\n\n<li><strong>Absent face-to-face exam documentation:<\/strong> The treating physician&rsquo;s clinical note is missing from the record, or it was conducted outside the acceptable timeframe specified in the LCD.<\/li>\n\n\n\n<li><strong>Incorrect modifier:<\/strong> Using NU or UE on a Medicare claim, both are denied for this capped-rental item, omitting RR on rental claims, or leaving off the required KX, GA, or GZ medical-necessity modifier.<\/li>\n\n\n\n<li><strong>Failure to obtain compliance data:<\/strong> Not completing the day-61 re-evaluation, compliance download, and treating practitioner&rsquo;s attestation results in inability to document continued medical necessity for ongoing rental payments.<\/li>\n\n\n\n<li><strong>Billing without CPAP trial documentation:<\/strong> When E0471 is prescribed following a CPAP failure, the record must document the CPAP trial with compliance data and the reason for escalation. Without this, the E0471 claim lacks the medical necessity chain.<\/li>\n<\/ul>\n\n\n\n<h2 id=\"h-how-billing-software-can-streamline-e0471-claims\" class=\"wp-block-heading\">How billing software can streamline E0471 claims<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The documentation burden for HCPCS Code E0471 is unusually high compared to most DME codes. Sleep studies, face-to-face exam notes, written orders with specific device settings, compliance downloads, and escalation documentation all need to be in the file before a claim is submitted. Manual tracking of these requirements across a patient panel is where errors creep in.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pabau&rsquo;s automated billing workflows allow practices to create structured pre-submission checklists that flag missing documentation before a claim goes out. Rather than discovering a missing compliance download during a MAC audit, the system surfaces the issue at the point of claim preparation.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">This is the same principle covered in medical billing workflows built for complex HCPCS codes: the workflow enforces the documentation standard, not the individual biller&rsquo;s memory.<\/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-e0471\/appointment-scheduling-in-pabau.webp\" alt=\"Appointment scheduling in Pabau\"\/><figcaption class=\"wp-element-caption\"><em>Appointment scheduling in Pabau<\/em><\/figcaption><\/figure>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">For practices managing large panels of E0471 patients. The goal is a billing workflow where the software catches the compliance errors that human review misses under volume pressure.<\/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>Build a dedicated E0471 documentation checklist inside your practice management system with seven required fields: written order date, face-to-face exam date, sleep study report, CPAP trial documentation (if applicable), device delivery confirmation with serial number, day-61 compliance re-evaluation and practitioner attestation, and modifier verification. Any claim missing a field should be held until it&rsquo;s resolved.<\/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-e0482\/\">HCPCS Code E0482 \u2014 Cough stimulating device<\/a><\/li>\n\n\n<li><a href=\"https:\/\/pabau.com\/procedure-codes\/hcpcs-code-e0483\/\">HCPCS code E0483 \u2014 High frequency chest wall oscillation<\/a><\/li>\n\n\n<li><a href=\"https:\/\/pabau.com\/procedure-codes\/hcpcs-code-e0486\/\">HCPCS Code E0486 \u2014 Custom fabricated oral appliance for sleep apnea<\/a><\/li>\n<\/ul>\n\n\n\n<h2 id=\"h-conclusion\" class=\"wp-block-heading\">Conclusion<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">HCPCS Code E0471 carries more documentation weight than most DMEPOS codes. The backup rate feature that distinguishes it from E0470 is also what makes it a higher-scrutiny billing code, and the chain of required documentation from sleep study through ongoing compliance download creates multiple points where a claim can fail.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Practices that manage E0471 claims successfully treat documentation as a pre-submission checklist, not a post-audit defense. Pabau helps DME suppliers build those checklists into the billing workflow and keep records audit-ready, reducing the risk that comes with high-utilization respiratory codes. See how Pabau handles respiratory billing workflows at <a href=\"https:\/\/pabau.com\/book-demo\/\">book a demo<\/a>.<\/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>Billing a DME supply that doesn\u2019t have its own dedicated code?<\/strong> <a href=\"https:\/\/pabau.com\/procedure-codes\/hcpcs-code-a9900\/\">A9900<\/a> is the miscellaneous catch-all HCPCS code for DME supplies, with its own billing rules.<\/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 another piece of equipment on a capped rental?<\/strong> <a href=\"https:\/\/pabau.com\/procedure-codes\/hcpcs-code-e0265\/\">E0265<\/a> covers total electric hospital beds billed under the same capped-rental DMEPOS framework as E0471.<\/p>\n                        <\/div>\n                                                                                <div class=\"item\">\n                            <div>\n                                <svg width=\"20\" height=\"27\" viewBox=\"0 0 20 27\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\">\n                                    <path\n                                        d=\"M18.6223 14.3857C19.1246 13.8975 19.1246 13.1045 18.6223 12.6162L12.1938 6.36621C11.6915 5.87793 10.8759 5.87793 10.3737 6.36621C9.87143 6.85449 9.87143 7.64746 10.3737 8.13574L14.6125 12.2529H2.28571C1.57455 12.2529 1 12.8115 1 13.5029C1 14.1943 1.57455 14.7529 2.28571 14.7529H14.6085L10.3777 18.8701C9.87545 19.3584 9.87545 20.1514 10.3777 20.6396C10.8799 21.1279 11.6955 21.1279 12.1978 20.6396L18.6263 14.3896L18.6223 14.3857Z\"\n                                        fill=\"#54B2D3\" \/>\n                                <\/svg>\n                            <\/div>\n                            <p><strong>Coding DME supplies outside the respiratory category?<\/strong> <a href=\"https:\/\/pabau.com\/procedure-codes\/hcpcs-code-a4425\/\">A4425<\/a> walks through the billing rules for drainable ostomy pouches.<\/p>\n                        <\/div>\n                                                <\/div>\n        <\/div>\n    \n\n\n<h2 id=\"h-frequently-asked-questions\" class=\"wp-block-heading\">Frequently asked questions<\/h2>\n\n\n\n<div class=\"schema-faq wp-block-yoast-faq-block\"><div class=\"schema-faq-section\" id=\"faq-question-1784874552158\"><h3 class=\"schema-faq-question\">What is HCPCS Code E0471?<\/h3> <p class=\"schema-faq-answer\">HCPCS Code E0471 is a billing code for a respiratory assist device with bi-level pressure capability and a backup respiratory rate feature, used with a noninvasive interface such as a nasal or facial mask. It is commonly called a BiPAP-ST (spontaneous\/timed) and is distinct from a standard BiPAP (E0470) because the device delivers a timed breath if the patient does not initiate one within a set interval.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1784874552159\"><h3 class=\"schema-faq-question\">What is the difference between E0470 and E0471?<\/h3> <p class=\"schema-faq-answer\">E0470 is a bi-level pressure respiratory device without a backup respiratory rate. E0471 adds the backup rate feature, meaning the machine will deliver a breath automatically if the patient fails to breathe within a timed interval. This single feature difference determines which code applies and has significant implications for claim selection and audit risk.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1784874552160\"><h3 class=\"schema-faq-question\">Does Medicare cover HCPCS Code E0471?<\/h3> <p class=\"schema-faq-answer\">Yes, Medicare Part B covers E0471 as durable medical equipment under the DMEPOS benefit, subject to qualifying diagnoses, a written order, a face-to-face examination, and a sleep study. Coverage follows the applicable MAC&rsquo;s Local Coverage Determination and is paid on a capped rental basis, typically for 13 months before device ownership transfers to the beneficiary.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1784874552161\"><h3 class=\"schema-faq-question\">What documentation is required to bill E0471?<\/h3> <p class=\"schema-faq-answer\">Billing E0471 requires a written order from the treating physician (specifying backup rate settings), a face-to-face clinical examination note, a qualifying sleep study report, delivery documentation with the device serial number, and compliance download data showing adequate usage hours. For patients escalated from CPAP, the record must also document the CPAP trial and clinical reason for escalation.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1784874552162\"><h3 class=\"schema-faq-question\">Does E0471 require prior authorization?<\/h3> <p class=\"schema-faq-answer\">Prior authorization requirements for E0471 vary by MAC jurisdiction and payer. CMS has expanded PA requirements for certain high-utilization DMEPOS codes, and individual MACs may add requirements beyond the national program. Always verify current PA requirements with the applicable MAC or payer before initiating device placement and submitting a claim.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1784874552163\"><h3 class=\"schema-faq-question\">What modifiers are used with HCPCS Code E0471?<\/h3> <p class=\"schema-faq-answer\">Every E0471 claim needs two modifiers: a transaction-type modifier (RR for rental, since the NU and UE purchase modifiers don\u2019t apply to this Medicare capped-rental item) and a medical-necessity modifier (KX when coverage criteria are met, or GA or GZ when they aren\u2019t). Submitting without the correct combination results in claim rejection or reduced payment.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1784874552164\"><h3 class=\"schema-faq-question\">How does HCPCS Code E0471 differ from a standard CPAP device billed under E0601?<\/h3> <p class=\"schema-faq-answer\">E0601 covers a CPAP device that delivers single-level continuous positive airway pressure and is primarily used for obstructive sleep apnea. E0471 covers a BiPAP-ST device delivering both inspiratory and expiratory pressure plus a timed backup rate, indicated for more complex respiratory conditions including central sleep apnea, obesity hypoventilation syndrome, and neuromuscular diseases. The devices are clinically and mechanically distinct, and the codes are not interchangeable.<\/p> <\/div> <\/div>\n","protected":false},"excerpt":{"rendered":"<p>HCPCS Code E0471 is a billing code for a respiratory assist device with bi-level pressure capability and a backup respiratory rate feature, used with a noninvasive interface such as a nasal or facial mask. Commonly called a BiPAP-ST device, it differs from E0470 by that backup rate: if the patient doesn&rsquo;t initiate a breath within [&hellip;]<\/p>\n","protected":false},"author":81,"featured_media":163332,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_linkdex":"91","_yoast_wpseo_content_score":"30","_yoast_wpseo_is_cornerstone":"","_yoast_wpseo_keywordsynonyms":"[\"\",\"\",\"\",\"\",\"\",\"\"]","_yoast_wpseo_focuskw_text_input":"","_seo_original_html":"","footnotes":""},"categories":[1433,1548],"tags":[1364,1606,1619,1609],"class_list":["post-163333","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-billing-codes","category-hcpcs","tag-billing","tag-dme-billing","tag-hcpcs-billing","tag-medicare-dme"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.3 (Yoast SEO v28.3) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ 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It is commonly called a BiPAP-ST (spontaneous\/timed) and is distinct from a standard BiPAP (E0470) because the device delivers a timed breath if the patient does not initiate one within a set interval.","inLanguage":"fr-FR"},"inLanguage":"fr-FR"},{"@type":"Question","@id":"https:\/\/pabau.com\/fr\/procedure-codes\/hcpcs-code-e0471\/#faq-question-1784874552159","position":2,"url":"https:\/\/pabau.com\/fr\/procedure-codes\/hcpcs-code-e0471\/#faq-question-1784874552159","name":"What is the difference between E0470 and E0471?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"E0470 is a bi-level pressure respiratory device without a backup respiratory rate. E0471 adds the backup rate feature, meaning the machine will deliver a breath automatically if the patient fails to breathe within a timed interval. This single feature difference determines which code applies and has significant implications for claim selection and audit risk.","inLanguage":"fr-FR"},"inLanguage":"fr-FR"},{"@type":"Question","@id":"https:\/\/pabau.com\/fr\/procedure-codes\/hcpcs-code-e0471\/#faq-question-1784874552160","position":3,"url":"https:\/\/pabau.com\/fr\/procedure-codes\/hcpcs-code-e0471\/#faq-question-1784874552160","name":"Does Medicare cover HCPCS Code E0471?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Yes, Medicare Part B covers E0471 as durable medical equipment under the DMEPOS benefit, subject to qualifying diagnoses, a written order, a face-to-face examination, and a sleep study. Coverage follows the applicable MAC's Local Coverage Determination and is paid on a capped rental basis, typically for 13 months before device ownership transfers to the beneficiary.","inLanguage":"fr-FR"},"inLanguage":"fr-FR"},{"@type":"Question","@id":"https:\/\/pabau.com\/fr\/procedure-codes\/hcpcs-code-e0471\/#faq-question-1784874552161","position":4,"url":"https:\/\/pabau.com\/fr\/procedure-codes\/hcpcs-code-e0471\/#faq-question-1784874552161","name":"What documentation is required to bill E0471?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Billing E0471 requires a written order from the treating physician (specifying backup rate settings), a face-to-face clinical examination note, a qualifying sleep study report, delivery documentation with the device serial number, and compliance download data showing adequate usage hours. For patients escalated from CPAP, the record must also document the CPAP trial and clinical reason for escalation.","inLanguage":"fr-FR"},"inLanguage":"fr-FR"},{"@type":"Question","@id":"https:\/\/pabau.com\/fr\/procedure-codes\/hcpcs-code-e0471\/#faq-question-1784874552162","position":5,"url":"https:\/\/pabau.com\/fr\/procedure-codes\/hcpcs-code-e0471\/#faq-question-1784874552162","name":"Does E0471 require prior authorization?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Prior authorization requirements for E0471 vary by MAC jurisdiction and payer. CMS has expanded PA requirements for certain high-utilization DMEPOS codes, and individual MACs may add requirements beyond the national program. Always verify current PA requirements with the applicable MAC or payer before initiating device placement and submitting a claim.","inLanguage":"fr-FR"},"inLanguage":"fr-FR"},{"@type":"Question","@id":"https:\/\/pabau.com\/fr\/procedure-codes\/hcpcs-code-e0471\/#faq-question-1784874552163","position":6,"url":"https:\/\/pabau.com\/fr\/procedure-codes\/hcpcs-code-e0471\/#faq-question-1784874552163","name":"What modifiers are used with HCPCS Code E0471?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Every E0471 claim needs two modifiers: a transaction-type modifier (RR for rental, since the NU and UE purchase modifiers don\u2019t apply to this Medicare capped-rental item) and a medical-necessity modifier (KX when coverage criteria are met, or GA or GZ when they aren\u2019t). Submitting without the correct combination results in claim rejection or reduced payment.","inLanguage":"fr-FR"},"inLanguage":"fr-FR"},{"@type":"Question","@id":"https:\/\/pabau.com\/fr\/procedure-codes\/hcpcs-code-e0471\/#faq-question-1784874552164","position":7,"url":"https:\/\/pabau.com\/fr\/procedure-codes\/hcpcs-code-e0471\/#faq-question-1784874552164","name":"How does HCPCS Code E0471 differ from a standard CPAP device billed under E0601?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"E0601 covers a CPAP device that delivers single-level continuous positive airway pressure and is primarily used for obstructive sleep apnea. E0471 covers a BiPAP-ST device delivering both inspiratory and expiratory pressure plus a timed backup rate, indicated for more complex respiratory conditions including central sleep apnea, obesity hypoventilation syndrome, and neuromuscular diseases. The devices are clinically and mechanically distinct, and the codes are not interchangeable.","inLanguage":"fr-FR"},"inLanguage":"fr-FR"}]}},"yoast":{"focus_keyword":"HCPCS Code E0471","seo_title":"HCPCS Code E0471: BiPAP with backup rate billing guide","meta_description":"HCPCS Code E0471 covers a BiPAP-ST device with backup rate, requiring a qualifying diagnosis, sleep study, and RAD LCD documentation.","content_score":"30","is_cornerstone":"","related_keyphrases":[{"keyword":"respiratory assist device hcpcs","score":72},{"keyword":"e0471 medicare coverage","score":61},{"keyword":"hcpcs e0471 fee schedule","score":61},{"keyword":"e0471 documentation requirements","score":61},{"keyword":"e0470 vs e0471","score":61}]},"_links":{"self":[{"href":"https:\/\/pabau.com\/fr\/wp-json\/wp\/v2\/posts\/163333","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pabau.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/pabau.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/pabau.com\/fr\/wp-json\/wp\/v2\/users\/81"}],"replies":[{"embeddable":true,"href":"https:\/\/pabau.com\/fr\/wp-json\/wp\/v2\/comments?post=163333"}],"version-history":[{"count":5,"href":"https:\/\/pabau.com\/fr\/wp-json\/wp\/v2\/posts\/163333\/revisions"}],"predecessor-version":[{"id":181390,"href":"https:\/\/pabau.com\/fr\/wp-json\/wp\/v2\/posts\/163333\/revisions\/181390"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pabau.com\/fr\/wp-json\/wp\/v2\/media\/163332"}],"wp:attachment":[{"href":"https:\/\/pabau.com\/fr\/wp-json\/wp\/v2\/media?parent=163333"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/pabau.com\/fr\/wp-json\/wp\/v2\/categories?post=163333"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/pabau.com\/fr\/wp-json\/wp\/v2\/tags?post=163333"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}