{"id":159083,"date":"2026-07-20T10:17:54","date_gmt":"2026-07-20T10:17:54","guid":{"rendered":"https:\/\/pabau.com\/?p=159083"},"modified":"2026-08-17T11:47:04","modified_gmt":"2026-08-17T11:47:04","slug":"hcpcs-code-g0379","status":"publish","type":"post","link":"https:\/\/pabau.com\/nl\/procedure-codes\/hcpcs-code-g0379\/","title":{"rendered":"HCPCS Code G0379: Direct admission to hospital observation care"},"content":{"rendered":"\n<script type=\"application\/ld+json\">{\"@context\":\"https:\/\/schema.org\",\"@type\":\"MedicalWebPage\",\"headline\":\"HCPCS Code G0379: Direct admission to hospital observation care\",\"description\":\"HCPCS Code G0379 (direct admission to hospital observation care) billing guide covering G0379 vs G0378, revenue code 0762, modifiers, Medicare reimbursement, and documentation requirements.\",\"url\":\"https:\/\/pabau.com\/procedure-codes\/hcpcs-code-g0379\/\",\"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\/\"}}<\/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 G0379 covers direct admission of a patient to hospital observation status without a prior emergency department visit.<\/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>G0379 is billed on a UB-04 facility claim paired with revenue code 0762 and reimbursed under Medicare&#8217;s OPPS\/APC payment system.<\/p>\n                        <\/div>\n                                                                                <div class=\"item\">\n                            <div>\n                                <svg width=\"20\" height=\"27\" viewBox=\"0 0 20 27\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\">\n                                    <path\n                                        d=\"M18.6223 14.3857C19.1246 13.8975 19.1246 13.1045 18.6223 12.6162L12.1938 6.36621C11.6915 5.87793 10.8759 5.87793 10.3737 6.36621C9.87143 6.85449 9.87143 7.64746 10.3737 8.13574L14.6125 12.2529H2.28571C1.57455 12.2529 1 12.8115 1 13.5029C1 14.1943 1.57455 14.7529 2.28571 14.7529H14.6085L10.3777 18.8701C9.87545 19.3584 9.87545 20.1514 10.3777 20.6396C10.8799 21.1279 11.6955 21.1279 12.1978 20.6396L18.6263 14.3896L18.6223 14.3857Z\"\n                                        fill=\"#3D3D46\" \/>\n                                <\/svg>\n                            <\/div>\n                            <p>The two-midnight rule determines whether a patient qualifies for observation status (G0379) or inpatient admission, and misclassification carries significant compliance risk.<\/p>\n                        <\/div>\n                                                                                <div class=\"item\">\n                            <div>\n                                <svg width=\"20\" height=\"27\" viewBox=\"0 0 20 27\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\">\n                                    <path\n                                        d=\"M18.6223 14.3857C19.1246 13.8975 19.1246 13.1045 18.6223 12.6162L12.1938 6.36621C11.6915 5.87793 10.8759 5.87793 10.3737 6.36621C9.87143 6.85449 9.87143 7.64746 10.3737 8.13574L14.6125 12.2529H2.28571C1.57455 12.2529 1 12.8115 1 13.5029C1 14.1943 1.57455 14.7529 2.28571 14.7529H14.6085L10.3777 18.8701C9.87545 19.3584 9.87545 20.1514 10.3777 20.6396C10.8799 21.1279 11.6955 21.1279 12.1978 20.6396L18.6263 14.3896L18.6223 14.3857Z\"\n                                        fill=\"#3D3D46\" \/>\n                                <\/svg>\n                            <\/div>\n                            <p>Practice management software like Pabau helps private-practice and outpatient billing teams keep the physician&#8217;s linked E\/M documentation for observation encounters complete and audit-ready.<\/p>\n                        <\/div>\n                                                <\/div>\n        <\/div>\n    \n\n\n<p class=\"wp-block-paragraph\">HCPCS Code G0379 bills the direct admission of a patient to hospital observation care without a prior emergency department visit. It&#8217;s a facility-only code, submitted on a UB-04 claim and paired with revenue code 0762, and reimbursed under Medicare&#8217;s Hospital Outpatient Prospective Payment System.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Most claim denials for observation services come down to one of three problems: the wrong revenue code, missing medical necessity documentation, or confusion between G0379 and its sibling code G0378.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">G0379 itself sits on the facility side of the claim, but the physician who orders and manages the stay bills separately with E\/M codes on a professional claim. <\/p>\n\n\n\n<h2 id=\"h-official-description-and-code-details\" class=\"wp-block-heading\">Official description and code details<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">HCPCS Code G0379 is a Level II HCPCS code maintained by the Centers for Medicare and Medicaid Services, known as <a href=\"https:\/\/www.cms.gov\/medicare\/coding-billing\/healthcare-common-procedure-system\" target=\"_blank\" rel=\"nofollow noopener\">CMS<\/a>. It describes a specific hospital admission scenario that no CPT code covers: a physician-ordered, direct placement of a patient into observation status without a preceding emergency department encounter.<\/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\">Field<\/th>\n<th style=\"background:#121D36;color:#fff;padding:14px 16px;text-align:left;font-weight:600;font-size:14px;letter-spacing:0.3px;border-bottom:2px solid #2BADD4\">Details<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr style=\"border-bottom:1px solid #E8ECF0\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">HCPCS Code<\/td>\n<td style=\"padding:12px 16px;color:#374151\">G0379<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0;background:#F9FAFB\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">Short Descriptor<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Direct admit for hosp observation care<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">Long Descriptor<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Direct admission of patient for hospital observation care<\/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 Type<\/td>\n<td style=\"padding:12px 16px;color:#374151\">HCPCS Level II (G-code, facility billing)<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">Applicable Setting<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Hospital outpatient (facility claim only)<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0;background:#F9FAFB\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">Claim Form<\/td>\n<td style=\"padding:12px 16px;color:#374151\">UB-04 (institutional claim)<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">Payment System<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Hospital Outpatient Prospective Payment System (OPPS)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\n<p class=\"wp-block-paragraph\">The defining clinical scenario is the direct admission: a patient&#8217;s physician contacts the hospital and orders observation status placement without routing the patient through the emergency department. That distinction separates G0379 from ED-initiated observation billing entirely.<\/p>\n\n\n\n<h2 id=\"h-g0379-vs-g0378-understanding-the-difference\" class=\"wp-block-heading\">G0379 vs G0378: Understanding the difference<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Coders routinely ask which code to use when a patient&#8217;s observation stay extends beyond the initial direct admission. The answer involves both codes together.<\/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\">Feature<\/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\">G0379<\/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\">G0378<\/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\">Full Description<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Direct admission for hospital observation care<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Hospital observation services, per hour<\/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 Unit<\/td>\n<td style=\"padding:12px 16px;color:#374151\">1 unit per admission (lump sum)<\/td>\n<td style=\"padding:12px 16px;color:#374151\">1 unit per hour of observation<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">When Used<\/td>\n<td style=\"padding:12px 16px;color:#374151\">At the point of direct admission to observation, before any ED visit<\/td>\n<td style=\"padding:12px 16px;color:#374151\">For each hour the patient remains under observation after admission<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0;background:#F9FAFB\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">ED Visit Preceded?<\/td>\n<td style=\"padding:12px 16px;color:#374151\">No (direct admission only)<\/td>\n<td style=\"padding:12px 16px;color:#374151\">May follow either ED or direct admission<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">Revenue Code<\/td>\n<td style=\"padding:12px 16px;color:#374151\">0762<\/td>\n<td style=\"padding:12px 16px;color:#374151\">0762<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0;background:#F9FAFB\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">Claim Form<\/td>\n<td style=\"padding:12px 16px;color:#374151\">UB-04<\/td>\n<td style=\"padding:12px 16px;color:#374151\">UB-04<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\n<p class=\"wp-block-paragraph\">In practice, a typical direct-admission observation stay will include one unit of G0379 at the start and multiple units of G0378 for the hours spent under observation. Billing only G0379 without G0378 for an extended stay understates the service rendered and may trigger a medical review.<\/p>\n\n\n\n<h2 id=\"h-when-to-use-g0379-clinical-scenarios-and-criteria\" class=\"wp-block-heading\">When to use G0379: Clinical scenarios and criteria<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">G0379 applies when a physician determines that a patient needs monitoring and short-term evaluation but does not yet meet inpatient admission criteria, and that patient arrives at the hospital directly rather than through the emergency department. Common scenarios include:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>A primary care physician contacts the hospital to place a patient with acute decompensated heart failure in observation for diuresis monitoring<\/li>\n\n\n\n<li>A surgeon admits a patient directly for post-procedure observation following a same-day outpatient procedure when unexpected complications arise<\/li>\n\n\n\n<li>An internist arranges direct hospital placement for a patient with new-onset atrial fibrillation for rate control and telemetry monitoring<\/li>\n\n\n\n<li>A specialist requests direct observation for a patient presenting with altered mental status where further workup is needed before admission or discharge<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">G0379 does not apply when the patient first presents to the emergency department, even if the ED physician subsequently orders observation status. That scenario uses ED-level E\/M codes alongside G0378 for the observation hours, not G0379.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">An <a href=\"https:\/\/pabau.com\/blog\/best-primary-care-ehr\/\">EHR suited to primary care<\/a> templates wellness visits and screenings, which is where most G-codes are earned.<\/p>\n\n\n\n<h2 id=\"h-inpatient-vs-observation-status-key-distinctions-for-billing\" class=\"wp-block-heading\">Inpatient vs observation status: Key distinctions for billing<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The choice between observation and inpatient status carries significant consequences, not just for claim submission but for patient financial responsibility and Medicare post-acute care eligibility. Observation is an outpatient classification, regardless of how long the patient physically stays in the hospital.<\/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\">Factor<\/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\">Observation 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\">Inpatient Admission<\/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\">Medicare benefit<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Part B (outpatient)<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Part A<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0;background:#F9FAFB\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">Claim form<\/td>\n<td style=\"padding:12px 16px;color:#374151\">UB-04, facility claim<\/td>\n<td style=\"padding:12px 16px;color:#374151\">UB-04, Part A claim<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">Patient cost-sharing<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Part B coinsurance (typically 20% after deductible)<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Part A deductible, then daily copays<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0;background:#F9FAFB\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">SNF eligibility<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Does not count toward 3-day inpatient requirement<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Counts toward 3-day inpatient stay requirement<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">Drugs\/self-administered<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Patient may pay out-of-pocket for self-administered drugs<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Included in DRG payment<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0;background:#F9FAFB\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">Payment system<\/td>\n<td style=\"padding:12px 16px;color:#374151\">OPPS (APC-based)<\/td>\n<td style=\"padding:12px 16px;color:#374151\">IPPS (DRG-based)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\n<h3 id=\"h-the-two-midnight-rule-and-its-impact-on-g0379-billing\" class=\"wp-block-heading\">The two-midnight rule and its impact on G0379 billing<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Under the two-midnight rule, codified at 42 CFR Section 412.3, CMS presumes that a hospital stay spanning two or more midnights warrants inpatient admission. Stays expected to last fewer than two midnights are generally appropriate for outpatient status, including observation under G0379.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The attending physician&#8217;s order and the clinical documentation must reflect the expected duration at the time of admission. If a patient placed in observation subsequently requires a longer stay than anticipated, the physician can convert the status to inpatient. That conversion requires condition code 44 when the reclassification follows a utilization review determination, not a unilateral physician decision.<\/p>\n\n\n\n<h2 id=\"h-g0379-billing-guidelines-step-by-step-instructions\" class=\"wp-block-heading\">G0379 billing guidelines: Step-by-step instructions<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Facility billing for HCPCS Code G0379 follows a specific claim structure. Submitting on the wrong form type or pairing the wrong revenue code are the two most common errors that result in immediate rejection.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">G0379 itself runs through the hospital&#8217;s UB-04 workflow, but the physician&#8217;s linked E\/M claim still needs to be accurate and complete.<\/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-g0379\/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<ol class=\"wp-block-list\">\n<li><strong>Claim form:<\/strong> UB-04 (CMS-1450). G0379 is a facility code and is never submitted on a CMS-1500 professional claim.<\/li>\n\n\n\n<li><strong>Revenue code:<\/strong> 0762 (Observation Room). This revenue code must appear on the same claim line as G0379.<\/li>\n\n\n\n<li><strong>Units:<\/strong> Report 1 unit for the direct admission service itself. Report G0378 separately for each hour of observation time.<\/li>\n\n\n\n<li><strong>Place of service:<\/strong> Not applicable to facility UB-04 claims; place of service codes are used on professional (CMS-1500) claims only.<\/li>\n\n\n\n<li><strong>Discharge status:<\/strong> Complete form locator 17 accurately. The discharge status reflects what happened at the end of the observation period (discharged home, admitted as inpatient, transferred, etc.).<\/li>\n\n\n\n<li><strong>Condition codes:<\/strong> Report condition code 44 if the stay was reclassified from inpatient to observation following utilization review.<\/li>\n<\/ol>\n\n\n\n<h3 id=\"h-required-modifiers-for-g0379\" class=\"wp-block-heading\">Required modifiers for G0379<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Modifier requirements for G0379 vary by payer. Medicare does not mandate a specific modifier on G0379 for direct admission observation, but individual Medicare Administrative Contractors (MACs) may have local policies. Always verify with your MAC before assuming no modifier is needed. <\/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\">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\">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\">When Applied<\/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\">AJ<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Clinical social worker<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Not applicable to G0379 facility billing<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0;background:#F9FAFB\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">GV<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Attending physician not employed by the hospice<\/td>\n<td style=\"padding:12px 16px;color:#374151\">When observation overlaps with hospice election; verify payer policy<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">PN<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Non-excepted service provided at an off-campus provider-based department<\/td>\n<td style=\"padding:12px 16px;color:#374151\">When the observation service occurs at a non-excepted off-campus facility (Section 603 MACRA provisions)<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0;background:#F9FAFB\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">PO<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Excepted service provided at an off-campus provider-based department<\/td>\n<td style=\"padding:12px 16px;color:#374151\">When the observation service occurs at a grandfathered excepted off-campus facility<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\n<h3 id=\"h-revenue-codes-and-ub-04-field-requirements\" class=\"wp-block-heading\">Revenue codes and UB-04 field requirements<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Revenue code 0762 (Observation Room) is the standard revenue code paired with G0379 on UB-04 facility claims. Revenue code 0761 is designated for Treatment Room services, not observation, and it is not a CMS-designated observation revenue code.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Revenue code 0760 covers the general Treatment\/Observation Room classification, without the specificity of 0762. Verify your MAC&#8217;s local policy for any secondary revenue code requirements.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Key UB-04 form locators for G0379 claims include: FL 42 (Revenue Code), FL 44 (HCPCS Code), FL 46 (Units of Service), FL 47 (Total Charges), and FL 17 (Patient Discharge Status). Missing or incorrect entries in any of these fields causes automated rejection before the claim reaches a human reviewer.<\/p>\n\n\n\n<h2 id=\"h-medical-documentation\" class=\"wp-block-heading\">Medical Documentation<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Medical necessity documentation is what turns a technically correct G0379 claim into a payable one. Missing any of the following elements is the primary reason observation claims survive initial editing but fail on post-payment audit. <\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Physician order for observation status:<\/strong> A signed, dated, timed order placing the patient in observation. The order must specify observation status, not just &#8220;admit to floor&#8221; or &#8220;hold for monitoring.&#8221;<\/li>\n\n\n\n<li><strong>Medical necessity rationale:<\/strong> The admitting note must document why the patient requires observation monitoring rather than outpatient treatment or inpatient admission. Clinical indicators supporting the need for hospital-level monitoring are required.<\/li>\n\n\n\n<li><strong>Admission assessment:<\/strong> An initial assessment note completed at or near the time of admission documenting the patient&#8217;s presenting condition, vital signs, and clinical plan.<\/li>\n\n\n\n<li><strong>Direct admission documentation:<\/strong> The record must reflect that the patient was admitted directly, without a prior emergency department encounter. If the patient visited another department before observation placement, G0379 may not be the correct code.<\/li>\n\n\n\n<li><strong>Discharge planning note:<\/strong> Documentation of the anticipated duration of observation and the criteria for discharge or conversion to inpatient status.<\/li>\n\n\n\n<li><strong>Hourly nursing notes:<\/strong> Supporting the G0378 units billed for ongoing observation hours. Each hour of observation must be supported by corresponding clinical documentation.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Facilities using digital patient forms can embed observation admission checklists directly into the intake workflow, so documentation is complete before it reaches 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-g0379\/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 class=\"wp-block-heading\">G0379 reimbursement rate and Medicare payment<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">HCPCS Code G0379 is reimbursed under the Hospital Outpatient Prospective Payment System (OPPS). CMS assigns G0379 to an Ambulatory Payment Classification (APC), and the payment rate reflects the APC&#8217;s national average cost, adjusted for geographic wage index differences.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Because OPPS payment rates change with each annual CMS rulemaking cycle, the specific dollar figure for G0379 is updated each January 1. Always verify the current payment rate against the CMS OPPS Addenda files or the <a href=\"https:\/\/www.cms.gov\/medicare\/physician-fee-schedule\/search\/overview\" target=\"_blank\" rel=\"nofollow noopener\">CMS fee schedule<\/a> before using a figure for revenue projections or payer negotiations.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Patient cost-sharing and the NOTICE Act<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Patients placed in observation status often experience higher out-of-pocket costs than they expect, because observation is billed under Medicare Part B rather than Part A. The standard Part B coinsurance of 20% applies after the annual deductible, and self-administered drugs that would be covered under Part A may not be covered under Part B.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The NOTICE Act (P.L. 114-42) requires hospitals to provide written notification to Medicare beneficiaries who have been in observation status for more than 24 hours. This notification must be delivered within 36 hours and must explain the patient&#8217;s outpatient status and the potential financial implications, including the impact on Medicare-covered skilled nursing facility eligibility.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Observation time does not count toward the three-day inpatient stay required for Medicare-covered SNF admission, a fact with significant financial consequences for patients transitioning to post-acute care. <\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Physician billing alongside G0379 facility claims<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">G0379 is a facility code only. The attending physician who orders and manages the observation stay bills separately on a professional claim (CMS-1500) using E\/M codes. The facility&#8217;s G0379 claim and the physician&#8217;s E\/M claim are independent and do not duplicate each other.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Initial observation care is billed by the physician using CPT codes 99221-99223, part of the Hospital Inpatient and Observation Care Services family that CPT created when it deleted the standalone observation-only codes effective January 1, 2023. Subsequent observation care uses CPT 99231-99233, and discharge day management uses CPT 99238-99239.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">CPT 99234-99236 still exists, but only for same-day admission-and-discharge encounters lasting 8 hours or more, not for a multi-day stay that began with G0379. These codes apply regardless of whether the facility used G0379 or a different mechanism to initiate the observation episode. Coordinating primary care compliance between facility and professional billing teams avoids duplicate claim submissions.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Common billing errors and compliance pitfalls<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">G0379 denials follow predictable patterns. Reviewing your denial rate by error type and building upstream claim edits to intercept each one is more effective than managing denials reactively. <\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Using G0379 when the patient came through the ED:<\/strong> G0379 applies exclusively to direct admissions. If the patient had any ED encounter before observation placement, bill the ED E\/M code plus G0378 for observation hours. Using G0379 in an ED-origin scenario is a coding error, not just a payer preference.<\/li>\n\n\n\n<li><strong>Omitting G0378 for extended stays:<\/strong> G0379 covers the direct admission event, not the ongoing observation hours. Failing to append G0378 units understates the service and misrepresents the clinical record.<\/li>\n\n\n\n<li><strong>Wrong revenue code:<\/strong> Revenue code 0762 is required. Using a generic medical\/surgical revenue code (e.g., 0120) on an observation claim will result in denial or inappropriate APC assignment.<\/li>\n\n\n\n<li><strong>Insufficient medical necessity documentation:<\/strong> A physician order alone is not enough. The clinical documentation must affirmatively support why observation was medically necessary at the time of admission.<\/li>\n\n\n\n<li><strong>Failure to issue NOTICE Act notification:<\/strong> For Medicare beneficiaries in observation for more than 24 hours, the 36-hour written notification is a legal requirement. Non-compliance exposes the hospital to CMS audit findings and potential corrective action.<\/li>\n\n\n\n<li><strong>Misapplication of condition code 44:<\/strong> Condition code 44 applies only when a utilization review committee reclassifies an inpatient admission to outpatient observation status. Using it in other circumstances or failing to use it when required both create audit risk. HIPAA-compliant practice software should include audit trail functionality for status change events.<\/li>\n<\/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                    Keep observation-related billing audit-ready with Pabau                <\/h3>\n\n                <p class=\"description\">\n                    Pabau helps private-practice and outpatient billing teams document physician E\/M services accurately, track documentation completeness, and maintain audit-ready records for observation encounters.                <\/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 class=\"wp-block-heading\">Payer-specific policies for G0379<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Medicare sets the baseline rules for G0379, but commercial payers and state Medicaid programs often apply different requirements. Hospitals billing multiple payer mixes should maintain a payer policy reference that captures each plan&#8217;s specific documentation, modifier, and prior authorization requirements for observation services.<\/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\">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\">Key Policy 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\">Medicare<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Governed by CMS OPPS rules; MAC-specific LCDs may apply; NOTICE Act compliance required; two-midnight rule governs status determination<\/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<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Coverage varies significantly by state; some states require prior authorization for observation admissions; state fee schedule governs payment, not OPPS. Verify with your state Medicaid agency.<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #E8ECF0\">\n<td style=\"padding:12px 16px;font-weight:600;color:#121D36\">Commercial \/ Managed Care<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Many commercial plans require prior authorization or concurrent review notification for observation admissions; specific HCPCS code acceptance varies by contract; some plans use proprietary observation codes<\/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 Advantage<\/td>\n<td style=\"padding:12px 16px;color:#374151\">Plans must follow traditional Medicare rules for observation services but may impose additional prior authorization requirements; plan-level variation is significant<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\n<p class=\"wp-block-paragraph\">For HCPCS Level II code reference, the <a href=\"https:\/\/www.aapc.com\/codes\/hcpcs-codes-range\/\" target=\"_blank\" rel=\"nofollow noopener\">AAPC HCPCS lookup<\/a> and <a href=\"https:\/\/www.pgmbilling.com\/hcpcs-lookup-tool\/\" target=\"_blank\" rel=\"nofollow noopener\">PGM Billing lookup<\/a> provide searchable databases reflecting current CMS code descriptions and effective dates, useful for verifying the status of G0379 before submitting claims.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Two other HCPCS Level II codes published recently.<\/p>\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-g0155\/\">HCPCS code G0155 \u2014 Clinical Social Worker Home Health Billing<\/a><\/li>\n\n\n<li><a href=\"https:\/\/pabau.com\/procedure-codes\/hcpcs-code-g0438\/\">HCPCS Code G0438 \u2014 Initial Annual Wellness Visit<\/a><\/li>\n\n\n<li><a href=\"https:\/\/pabau.com\/procedure-codes\/hcpcs-code-g0439\/\">HCPCS code G0439<\/a><\/li>\n\n\n<li><a href=\"https:\/\/pabau.com\/procedure-codes\/hcpcs-code-g0442\/\">HCPCS code G0442 \u2014 Medicare alcohol misuse screening<\/a><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Conclusion<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Observation billing errors are predictable, and most stem from the same small set of root causes: the wrong revenue code, absent medical necessity documentation, or misidentifying G0379 as applicable when the patient came through the emergency department. Getting these three elements right on every claim eliminates the majority of G0379 denials.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Practice management software like Pabau supports private-practice and outpatient billing teams in documenting physician E\/M services accurately and maintaining audit-ready records for observation encounters. To see how Pabau supports your practice&#8217;s billing workflow, <a href=\"https:\/\/pabau.com\/book-demo\/\">book a demo<\/a> with the team.<\/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>Need another HCPCS Level II code reference?<\/strong> <a href=\"https:\/\/pabau.com\/procedure-codes\/hcpcs-code-g0180\/\">HCPCS Code G0180<\/a> covers physician certification for home health services, a physician-order requirement similar in spirit to G0379\u2019s direct-admission order.<\/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>Billing per-unit therapy services on the same claim?<\/strong> <a href=\"https:\/\/pabau.com\/procedure-codes\/hcpcs-code-g0153\/\">HCPCS Code G0153<\/a> covers speech-language pathology services billed per 15-minute unit, another Level II G-code with its own unit 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>Need a related DME code?<\/strong> <a href=\"https:\/\/pabau.com\/procedure-codes\/hcpcs-code-l2999\/\">HCPCS Code L2999<\/a> covers a miscellaneous lower-extremity orthosis, billed under the same HCPCS Level II coding system as G0379.<\/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-1784537585127\"><h3 class=\"schema-faq-question\">What is HCPCS Code G0379 used for?<\/h3> <p class=\"schema-faq-answer\">HCPCS Code G0379 is used to bill for the direct admission of a patient to hospital observation care without a prior emergency department visit. It is a facility-only code submitted on a UB-04 claim form and reimbursed under Medicare&#8217;s Hospital Outpatient Prospective Payment System.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1784537585128\"><h3 class=\"schema-faq-question\">What is the difference between G0379 and G0378?<\/h3> <p class=\"schema-faq-answer\">G0379 covers the direct admission event itself (billed as one unit per admission), while G0378 is billed per hour of ongoing observation services. Most direct-admission observation stays use both codes: G0379 at the start and multiple units of G0378 for the hours the patient remains under observation.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1784537585129\"><h3 class=\"schema-faq-question\">What revenue code is used with HCPCS Code G0379?<\/h3> <p class=\"schema-faq-answer\">Revenue code 0762 (Observation Room) is paired with G0379 on UB-04 facility claims. This revenue code must appear on the same claim line as G0379. Using a generic medical\/surgical revenue code in its place will result in denial or incorrect APC assignment.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1784537585130\"><h3 class=\"schema-faq-question\">Does Medicare cover observation services billed with G0379?<\/h3> <p class=\"schema-faq-answer\">Yes. Medicare covers G0379 observation services under Part B through the OPPS payment system, with the patient responsible for the standard Part B coinsurance of 20% after the annual deductible. Importantly, time spent in observation status does not count toward the three-day inpatient stay required for Medicare-covered skilled nursing facility admission.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1784537585131\"><h3 class=\"schema-faq-question\">When is condition code 44 used with G0379?<\/h3> <p class=\"schema-faq-answer\">Condition code 44 applies when a utilization review committee determines that an inpatient admission should be reclassified to outpatient observation status. It is not used for initial observation admissions billed with G0379. Misapplying condition code 44 to situations that do not involve a UR committee determination creates audit and compliance risk.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1784537585132\"><h3 class=\"schema-faq-question\">Can G0379 be used if the patient visited the emergency department first?<\/h3> <p class=\"schema-faq-answer\">No. G0379 applies only to direct admissions where the patient has no prior emergency department encounter in the same episode. If the patient visited the ED before observation placement, the correct billing pathway is the ED-level E\/M code plus G0378 for observation hours. Using G0379 in an ED-origin scenario is a coding error.<\/p> <\/div> <\/div>\n","protected":false},"excerpt":{"rendered":"<p>HCPCS Code G0379 bills the direct admission of a patient to hospital observation care without a prior emergency department visit. It&#8217;s a facility-only code, submitted on a UB-04 claim and paired with revenue code 0762, and reimbursed under Medicare&#8217;s Hospital Outpatient Prospective Payment System. Most claim denials for observation services come down to one of [&hellip;]<\/p>\n","protected":false},"author":77,"featured_media":159082,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_linkdex":"86","_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":[1582],"class_list":["post-159083","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-billing-codes","category-hcpcs","tag-hcpcs"],"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 G0379: Direct admission to hospital observation care<\/title>\n<meta name=\"description\" content=\"HCPCS Code G0379 bills direct 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Outside of work, she's usually chasing her border collie around muddy fields or hunting down the best flat white in town.","url":"https:\/\/pabau.com\/nl\/blog\/author\/katy-piper\/"},{"@type":"Question","@id":"https:\/\/pabau.com\/nl\/procedure-codes\/hcpcs-code-g0379\/#faq-question-1784537585127","position":1,"url":"https:\/\/pabau.com\/nl\/procedure-codes\/hcpcs-code-g0379\/#faq-question-1784537585127","name":"What is HCPCS Code G0379 used for?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"HCPCS Code G0379 is used to bill for the direct admission of a patient to hospital observation care without a prior emergency department visit. It is a facility-only code submitted on a UB-04 claim form and reimbursed under Medicare's Hospital Outpatient Prospective Payment System.","inLanguage":"nl-NL"},"inLanguage":"nl-NL"},{"@type":"Question","@id":"https:\/\/pabau.com\/nl\/procedure-codes\/hcpcs-code-g0379\/#faq-question-1784537585128","position":2,"url":"https:\/\/pabau.com\/nl\/procedure-codes\/hcpcs-code-g0379\/#faq-question-1784537585128","name":"What is the difference between G0379 and G0378?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"G0379 covers the direct admission event itself (billed as one unit per admission), while G0378 is billed per hour of ongoing observation services. Most direct-admission observation stays use both codes: G0379 at the start and multiple units of G0378 for the hours the patient remains under observation.","inLanguage":"nl-NL"},"inLanguage":"nl-NL"},{"@type":"Question","@id":"https:\/\/pabau.com\/nl\/procedure-codes\/hcpcs-code-g0379\/#faq-question-1784537585129","position":3,"url":"https:\/\/pabau.com\/nl\/procedure-codes\/hcpcs-code-g0379\/#faq-question-1784537585129","name":"What revenue code is used with HCPCS Code G0379?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Revenue code 0762 (Observation Room) is paired with G0379 on UB-04 facility claims. This revenue code must appear on the same claim line as G0379. Using a generic medical\/surgical revenue code in its place will result in denial or incorrect APC assignment.","inLanguage":"nl-NL"},"inLanguage":"nl-NL"},{"@type":"Question","@id":"https:\/\/pabau.com\/nl\/procedure-codes\/hcpcs-code-g0379\/#faq-question-1784537585130","position":4,"url":"https:\/\/pabau.com\/nl\/procedure-codes\/hcpcs-code-g0379\/#faq-question-1784537585130","name":"Does Medicare cover observation services billed with G0379?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Yes. Medicare covers G0379 observation services under Part B through the OPPS payment system, with the patient responsible for the standard Part B coinsurance of 20% after the annual deductible. Importantly, time spent in observation status does not count toward the three-day inpatient stay required for Medicare-covered skilled nursing facility admission.","inLanguage":"nl-NL"},"inLanguage":"nl-NL"},{"@type":"Question","@id":"https:\/\/pabau.com\/nl\/procedure-codes\/hcpcs-code-g0379\/#faq-question-1784537585131","position":5,"url":"https:\/\/pabau.com\/nl\/procedure-codes\/hcpcs-code-g0379\/#faq-question-1784537585131","name":"When is condition code 44 used with G0379?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Condition code 44 applies when a utilization review committee determines that an inpatient admission should be reclassified to outpatient observation status. It is not used for initial observation admissions billed with G0379. Misapplying condition code 44 to situations that do not involve a UR committee determination creates audit and compliance risk.","inLanguage":"nl-NL"},"inLanguage":"nl-NL"},{"@type":"Question","@id":"https:\/\/pabau.com\/nl\/procedure-codes\/hcpcs-code-g0379\/#faq-question-1784537585132","position":6,"url":"https:\/\/pabau.com\/nl\/procedure-codes\/hcpcs-code-g0379\/#faq-question-1784537585132","name":"Can G0379 be used if the patient visited the emergency department first?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"No. G0379 applies only to direct admissions where the patient has no prior emergency department encounter in the same episode. If the patient visited the ED before observation placement, the correct billing pathway is the ED-level E\/M code plus G0378 for observation hours. Using G0379 in an ED-origin scenario is a coding error.","inLanguage":"nl-NL"},"inLanguage":"nl-NL"}]}},"yoast":{"focus_keyword":"HCPCS Code G0379","seo_title":"HCPCS Code G0379: Direct admission to hospital observation care","meta_description":"HCPCS Code G0379 bills direct admission to hospital observation care, paired with revenue code 0762, reimbursed under Medicare's OPPS.","content_score":"30","is_cornerstone":"","related_keyphrases":[{"keyword":"hospital observation status billing","score":61},{"keyword":"two-midnight rule medicare","score":61},{"keyword":"revenue code 0762 observation","score":78}]},"_links":{"self":[{"href":"https:\/\/pabau.com\/nl\/wp-json\/wp\/v2\/posts\/159083","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pabau.com\/nl\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/pabau.com\/nl\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/pabau.com\/nl\/wp-json\/wp\/v2\/users\/77"}],"replies":[{"embeddable":true,"href":"https:\/\/pabau.com\/nl\/wp-json\/wp\/v2\/comments?post=159083"}],"version-history":[{"count":4,"href":"https:\/\/pabau.com\/nl\/wp-json\/wp\/v2\/posts\/159083\/revisions"}],"predecessor-version":[{"id":182093,"href":"https:\/\/pabau.com\/nl\/wp-json\/wp\/v2\/posts\/159083\/revisions\/182093"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pabau.com\/nl\/wp-json\/wp\/v2\/media\/159082"}],"wp:attachment":[{"href":"https:\/\/pabau.com\/nl\/wp-json\/wp\/v2\/media?parent=159083"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/pabau.com\/nl\/wp-json\/wp\/v2\/categories?post=159083"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/pabau.com\/nl\/wp-json\/wp\/v2\/tags?post=159083"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}