medical billers and coders Visit our website: Click here Follow us: 1 Copyright © Medical Billers and Coders. All Rights Reserved info@medicalbillersandcoders.com Call now (Toll Free) 888-357-3226 O B - G Y N R E V E N U E C Y C L E · D E N I A L T R E N D S 2 0 2 6 Why Are OBGYN Global Package Denials Increasing in 2026? Algorithmic payer review, prior-authorization bottlenecks, and Modifier 25 auto-bundling are converging to put antepartum, delivery, and postpartum revenue at risk — here's what's driving the increase and how practices are protecting net realized revenue. PUBLISHED July 2, 2026 READ TIME 7 minutes CATEGORY OB-GYN Billing Source article: Medical Billers and Coders (medicalbillersandcoders.com) | Formatted digest 37% Higher rate of algorithmic MA plan claim review on maternity codes vs. 2022 $180K–$420K Recoverable revenue written off per year for practices billing $1M+/month 51% National biologic prior authorization denial rate in 2026 medical billers and coders Visit our website: Click here Follow us: 2 Copyright © Medical Billers and Coders. All Rights Reserved info@medicalbillersandcoders.com Call now (Toll Free) 888-357-3226 OB-GYN global package denials are climbing in 2026 largely because Medicare Advantage plans now run algorithmic claim review on maternity codes at rates 37% above 2022 levels — and documentation that satisfied payer review last year is no longer enough to protect antepartum, delivery, and postpartum revenue within a single billing cycle. Three billing-failure mechanisms are converging as the second half of 2026 begins: Still the highest-volume denial driver in OB-GYN billing. CMS treats the global OB package (CPT 59400, 59510, 59610, 59618) as one bundled payment spanning antepartum care, delivery, and postpartum care — but payers are increasingly auditing antepartum visit counts against the clinical record before releasing that payment. When a practice can't produce documentation for every included visit, it receives a partial package downcode that's hard to appeal after the fact, since a billable version of the visit record no longer exists. Biologic prior-authorization denials reached a 51% national rate in 2026. For practices managing high risk pregnancies, complex gynecologic conditions, or in-office surgical procedures, a missing or expired authorization converts an otherwise collectible claim into an unappealable write-off — the revenue isn't delayed, it's simply gone. Practices that route authorization work through front-desk staff rather than dedicated RCM infrastructure tend to absorb this loss without ever seeing it. This exposure is structural rather than occasional. A single undocumented split-care arrangement, a miscounted antepartum visit, or a Modifier 25 claim whose E/M note echoes the wording of a same-day procedure note can trigger a denial that ripples across the entire global package instead of just one line item. For OB-GYN practices billing at least $1 million a month, that ripple effect can mean $180,000–$420,000 in recoverable revenue quietly written off every year, with no audit flag ever raised. ANALYSIS The Triple Threat to Net Realized Revenue 1. Global Package Underdocumentation 2. Prior Authorization Paralysis on High-Value Procedures medical billers and coders Visit our website: Click here Follow us: 3 Copyright © Medical Billers and Coders. All Rights Reserved info@medicalbillersandcoders.com Call now (Toll Free) 888-357-3226 The most under-detected threat of the three. Modifier 25 protects the E/M payment when a same-day procedure and a separately identifiable E/M visit both occur — but only if the note demonstrates clinical independence from the procedure documentation. Payers including UnitedHealthcare and Aetna now run AI- assisted review that flags Modifier 25 claims where E/M language overlaps with the procedure note, quietly generating bundled underpayments each cycle rather than denials a practice would notice and appeal. 3. Modifier 25 Systematic Denial Denial Type Root Cause Dollar Exposure / 12 Mo. Global package downcode Prior auth write-off Modifier 25 bundling Split-care arrangement error Antepartum visit count underdocumented Authorization missing at time of service E/M note overlaps procedure documentation Attending vs. covering physician not differentiated $25,000–$75,000 $85,000–$210,000 $60,000–$140,000 $40,000–$95,000 AGING AR Where AR Aging Compounds the Problem Global package claims move through longer adjudication cycles than standard E/M claims, so a denial issued in Q1 may not even surface on an AR report until Q2 — by which point many commercial appeal windows have narrowed to 30 days or less. Recovering old OB-GYN AR requires specialty-specific familiarity with global package rules, split-care documentation, and appeal workflows that differ payer to payer. STATE FILING DEADLINE New York Medicaid enforces a 90-day timely filing window — the shortest of any major state. Any antepartum claim not submitted within three months of the encounter becomes permanently uncollectable, and practices without automated submission and follow-up infrastructure lose that revenue before an appeal is ever generated. medical billers and coders Visit our website: Click here Follow us: 4 Copyright © Medical Billers and Coders. All Rights Reserved info@medicalbillersandcoders.com Call now (Toll Free) 888-357-3226 R O O T C A U S E The Infrastructure Gap Behind the Loss The practices absorbing this loss aren't billing incorrectly — they're running infrastructure built for a 2022 payer environment, before algorithmic Medicare Advantage review became standard, before Modifier 25 auto bundling replaced human claim review, and before the 2026 fee schedule introduced a dual conversion factor tied to MIPS Qualifying Participant status. The gap isn't a coding error; it's an infrastructure mismatch that compounds with every billing cycle it goes unresolved. A second, less-measured dimension is payer variance — the gap between what a contract specifies for a global maternity package and what Medicare Advantage plans actually remit. Unlike denials, underpayments post as "paid," get accepted as routine contractual adjustments, and are written off without review. For a mid volume practice billing $1.5 million a month, undetected payer variance can represent an additional $90,000 $160,000 in recoverable revenue per year — money already earned and already remitted, just short of what the contract actually owed. The year-end pressure point: claims that age past 90 days in Q3 and Q4 typically don't recover. Commercial appeal windows close, Medicaid filing deadlines lapse permanently, and the write-off decisions made between October and December lock in that year's financial performance. Practices protecting net realized revenue are the ones identifying the infrastructure gap now, not after year-end reconciliation confirms the loss. Request a Free Revenue Diagnostic Identify exactly where OB-GYN global package, prior authorization, and Modifier 25 revenue is being lost — and what it's worth to recover before year-end. medicalbillersandcoders.com/contact-us.aspx medical billers and coders Visit our website: Click here Follow us: 5 Copyright © Medical Billers and Coders. All Rights Reserved info@medicalbillersandcoders.com Call now (Toll Free) 888-357-3226 S O L U T I O N Addressing the Gap at the Claim Level A revenue-integrity approach tackles all three failure mechanisms before submission rather than at the appeals stage — applying denial root-cause engineering to spot payer-specific patterns: which Medicare Advantage plans apply algorithmic review to Modifier 25 claims, which payers audit antepartum visit counts, and which global package codes are generating systematic downcodes under 2026 fee schedule rules. Payer-variance detection cross-references top billed OB-GYN codes against current fee schedules to surface underpayments on global maternity packages — a loss category that never generates a denial and so never shows up on a standard AR aging report. Pairing that with a dedicated, OB-GYN-trained account manager who reviews prior authorization workflows, antepartum documentation, and Modifier 25 validation before submission shifts the model from appealing lost revenue to preventing the loss in the first place 97% 30% 98% 25+ CLEAN CLAIM RATE A/R REDUCTION, 90 DAYS CLIENT RETENTION YEARS IN RCM FAQ Frequently Asked Questions ? ? ? What's the dollar impact of Modifier 25 denials? Why are OB-GYN global package denials rising in 2026? How does split-care documentation affect global package payment? Practices with high same-day procedure volume can lose $40,000–$95,000 a year to systematic Modifier 25 bundling — underpayments that get accepted quietly rather than appealed as denials. Medicare Advantage plans are running AI-driven claim review on maternity codes at rates 37% higher than 2022, catching antepartum visit-count gaps and Modifier 25 documentation overlaps that used to clear review without issue. Payers expect clear differentiation between the attending and covering physician's services inside the global package. Undocumented split-care arrangements trigger partial-package downcodes that are difficult to appeal after the fact. ? What's the timely filing window for OB-GYN Medicaid claims in New York? 90 days — the shortest window of any major state. Antepartum claims not filed within three months of the encounter become permanently uncollectable.