{"id":33474,"date":"2026-11-05T14:16:19","date_gmt":"2026-11-05T08:46:19","guid":{"rendered":"https:\/\/www.medicalbillersandcoders.com\/blog\/?p=33474"},"modified":"2026-11-05T14:16:19","modified_gmt":"2026-11-05T08:46:19","slug":"2027-maternity-cpt-update","status":"publish","type":"post","link":"https:\/\/www.medicalbillersandcoders.com\/blog\/2027-maternity-cpt-update\/","title":{"rendered":"2027 Maternity CPT Update: Protecting Revenue on Pregnancies That Cross 1st of January"},"content":{"rendered":"<div class=\"yoast-breadcrumbs\"><span><span><a href=\"https:\/\/www.medicalbillersandcoders.com\/blog\/\">Home<\/a><\/span> \u00bb <span><a href=\"https:\/\/www.medicalbillersandcoders.com\/blog\/category\/ob-gyn-billing-services\/\">OB Gyn Billing Services<\/a><\/span> \u00bb <span class=\"breadcrumb_last\" aria-current=\"page\">2027 Maternity CPT Update: Protecting Revenue on Pregnancies That Cross 1st of January<\/span><\/span><\/div>\r\n\r\n\r\n<p class=\"wp-block-paragraph\">Under the 2027 Maternity CPT Update, every pregnancy that crosses January 1 falls under two code sets, and the 2026 prenatal care inside it gets paid only if your team counts, codes, and submits it separately instead of waiting for delivery.<\/p>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">However, that cohort is larger than most groups assume. Any patient delivering before roughly September 2027 began prenatal care in 2026, which puts the first two-thirds of next year&#8217;s deliveries inside the transition.<\/p>\r\n\r\n<h2>Key Takeaways<\/h2>\r\n\r\n<ol class=\"wp-block-list\">\r\n<li style=\"list-style-type: none;\">\r\n<ul class=\"wp-block-list\">\r\n<li style=\"list-style-type: none;\">\r\n<ul class=\"wp-block-list\">\r\n<li>Under the 2027 Maternity CPT Update, every pregnancy crossing January 1, 2027 follows both 2026 and 2027 rules.<\/li>\r\n\r\n\r\n\r\n<li>Your team reports 2026 antepartum care by routine visit count: E\/M codes (1 to 3), CPT 59425 (4 to 6), CPT 59426 (7 or more).<\/li>\r\n\r\n\r\n\r\n<li>Do not hold 2026 antepartum claims until delivery; the AMA recommends submitting once the count is certain.<\/li>\r\n\r\n\r\n\r\n<li>Late-2026 deliveries can bill 2027 postpartum visits as E\/M, so flag them before systems suppress the charge.<\/li>\r\n\r\n\r\n\r\n<li>Payer transition rules differ, including Medicaid modifiers, first-visit date windows, and early E\/M instructions.<\/li>\r\n\r\n\r\n\r\n<li>An episode-level crossover census, built before December 31 and monitored through March, is the control that protects this revenue.<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ol>\r\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-large wp-image-33507\" src=\"https:\/\/www.medicalbillersandcoders.com\/blog\/wp-content\/uploads\/2026\/11\/2027-Maternity-CPT-Update-How-to-bill-a-pregnancy-that-crosses-1st-of-January-2027-1024x762.jpg\" alt=\"2027 Maternity CPT Update How to bill a pregnancy that crosses 1st of January 2027\" width=\"640\" height=\"476\" srcset=\"https:\/\/www.medicalbillersandcoders.com\/blog\/wp-content\/uploads\/2026\/11\/2027-Maternity-CPT-Update-How-to-bill-a-pregnancy-that-crosses-1st-of-January-2027-1024x762.jpg 1024w, https:\/\/www.medicalbillersandcoders.com\/blog\/wp-content\/uploads\/2026\/11\/2027-Maternity-CPT-Update-How-to-bill-a-pregnancy-that-crosses-1st-of-January-2027-300x223.jpg 300w, https:\/\/www.medicalbillersandcoders.com\/blog\/wp-content\/uploads\/2026\/11\/2027-Maternity-CPT-Update-How-to-bill-a-pregnancy-that-crosses-1st-of-January-2027-768x571.jpg 768w, https:\/\/www.medicalbillersandcoders.com\/blog\/wp-content\/uploads\/2026\/11\/2027-Maternity-CPT-Update-How-to-bill-a-pregnancy-that-crosses-1st-of-January-2027-1536x1143.jpg 1536w, https:\/\/www.medicalbillersandcoders.com\/blog\/wp-content\/uploads\/2026\/11\/2027-Maternity-CPT-Update-How-to-bill-a-pregnancy-that-crosses-1st-of-January-2027-2048x1523.jpg 2048w, https:\/\/www.medicalbillersandcoders.com\/blog\/wp-content\/uploads\/2026\/11\/2027-Maternity-CPT-Update-How-to-bill-a-pregnancy-that-crosses-1st-of-January-2027-150x112.jpg 150w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/p>\r\n<ol class=\"wp-block-list\">\r\n<li style=\"list-style-type: none;\">\r\n<p>For a multi-provider OBGYN group, this is not an edge case handled by one coder in January. It is the single largest block of maternity revenue moving through your revenue cycle over the next nine months, and what your team does in November and December 2026 decides it. No amount of later <strong>denial management<\/strong> can recover a claim that was never filed.<\/p>\r\n\r\n\r\n\r\n<h2 id=\"h-why-crossover-pregnancies-carry-the-most-revenue-risk-under-the-2027-maternity-cpt-update\" class=\"wp-block-heading\">Why Crossover Pregnancies Carry the Most Revenue Risk Under the 2027 Maternity CPT Update<\/h2>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">For three decades, payers paid prenatal visits inside the global delivery codes 59400, 59510, and 59610, collected once the baby arrived. However, the 2027 Maternity CPT Update deletes those codes on January 1, 2027. A patient seen eight times in 2026 who delivers in March 2027 no longer has a global code to absorb that 2026 work.<\/p>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">The AMA transition FAQ is direct: 2026 antepartum visits follow 2026 CPT rules, and practices report each 2027 antepartum encounter with an individual E\/M code. One pregnancy now produces a 2026 antepartum claim plus a stream of 2027 encounter, labor management, delivery, and postpartum claims.<\/p>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">If your team never bills the 2026 piece, that prenatal work is simply unpaid. No payer will flag it for you, because from the payer&#8217;s side nothing is missing. The claim that never arrives creates no denial, no rejection, and no line on any aging report.<\/p>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">That is what makes this cohort different from every other 2027 risk. A coding error on a 2027 E\/M visit produces a denial your team can see and appeal. In other words, an unfiled 2026 antepartum claim produces silence. The loss only shows up months later, when someone compares deliveries against prenatal collections and finds a gap no one can explain.<\/p>\r\n\r\n\r\n\r\n<h3 id=\"h-what-the-global-model-was-quietly-doing-for-you\" class=\"wp-block-heading\">What the Global Model Was Quietly Doing for You<\/h3>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">Under the global package, the delivery claim did the remembering. It carried every prenatal visit with it, so no one had to track whether visits four through eleven were billed. The delivery date triggered payment for nine months of care in one transaction.<\/p>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">The 2027 structure removes that safety net. Each phase now stands on its own, and the 2026 antepartum phase has no delivery claim to ride on. Practices that relied on the global code as their tracking system now need a real one.<\/p>\r\n\r\n\r\n\r\n<h2 id=\"h-what-the-ama-says-about-the-2027-maternity-cpt-update\" class=\"wp-block-heading\">What the AMA Says About the 2027 Maternity CPT Update<\/h2>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">The AMA&#8217;s FAQ on maternity care spanning the transition date answers the questions practices raised most often. Four points matter most for revenue.<\/p>\r\n\r\n\r\n\r\n<ul>\r\n<li><strong>2026 rules govern 2026 dates of service.<\/strong> Practices report antepartum care delivered in 2026 under CPT 2026 guidelines, even when delivery happens in 2027. Using E\/M codes for every antepartum visit, regardless of volume, does not begin until January 1, 2027.\r\n\r\n<\/li>\r\n<li><strong>Code selection follows the 2026 visit count.<\/strong> For three or fewer routine antepartum visits in 2026, report individual E\/M codes, one per encounter. Similarly, four to six visits map to CPT 59425. Finally, seven or more visits map to CPT 59426.\r\n\r\n<\/li>\r\n<li><strong>Billing does not wait for delivery.<\/strong> The AMA states 2026 antepartum services should be coded at the end of 2026 or in early 2027, and that billing is not required to be held until the patient delivers. It recommends submitting once the volume of completed 2026 visits is certain.\r\n\r\n<\/li>\r\n<li><strong>Documentation must support E\/M either way.<\/strong> For every prenatal visit with a due date on or after January 1, 2027, the AMA advises documenting medical decision making or time, so the correct E\/M level can be selected if needed. A templated prenatal note with no MDM or time element leaves the claim unsupported.<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">The AMA also notes that non-routine encounters during the antepartum period, such as a visit for a pregnancy complication, are not part of the routine visit count. Instead, your team codes and reports them separately.<\/p>\r\n\r\n\r\n\r\n<h2 id=\"h-five-forces-driving-revenue-loss-in-the-2027-maternity-cpt-update\" class=\"wp-block-heading\">Five Forces Driving Revenue Loss in the 2027 Maternity CPT Update<\/h2>\r\n\r\n\r\n\r\n<h3 id=\"h-1-the-hold-until-delivery-reflex\" class=\"wp-block-heading\">1. The hold-until-delivery reflex<\/h3>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">Billing teams trained on global packages wait for the delivery date. That habit made sense for thirty years, because no one could bill anything until delivery. Under the transition rules, waiting is the problem. Every week of habit-driven holding stretches Days in AR on care already delivered and pushes 2026 dates of service closer to their filing limits.<\/p>\r\n\r\n\r\n\r\n<h3 id=\"h-2-visit-count-tier-cliffs\" class=\"wp-block-heading\">2. Visit-count tier cliffs<\/h3>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">Coders assign 2026 antepartum care codes by volume, and the tiers have hard edges. A single miscounted visit moves a claim from E\/M codes to 59425, or from 59425 to 59426. Common counting errors include adding a January 2027 visit to the 2026 total, counting a non-routine problem visit as routine, and missing visits documented by a midwife or nurse practitioner under a different provider. Each one shifts the claim to the wrong tier and invites a denial or an underpayment.<\/p>\r\n\r\n\r\n\r\n<h3 id=\"h-3-payer-specific-transition-rules\" class=\"wp-block-heading\">3. Payer-specific transition rules<\/h3>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">Payers did not adopt one transition method. Some follow the CPT calendar-year rule exactly. Others built date windows, modifiers, or early-transition instructions of their own. One clearinghouse edit cannot serve all of them, and a claim built to CPT rules can still reject under a payer&#8217;s own policy.<\/p>\r\n\r\n\r\n\r\n<h3 id=\"h-4-the-timely-filing-trap\" class=\"wp-block-heading\">4. The timely filing trap<\/h3>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">The filing clock on a 2026 date of service started in 2026. Medicare allows 12 months from the date of service, whether the claim goes to Novitas Solutions in Jurisdiction H or Noridian in Jurisdiction F, but the AMA&#8217;s own transition guidance plans around the 90-day limit most other payers apply. A group waiting on a summer 2027 delivery to bill spring 2026 visits may find those claims already past the filing limit, and no amount of <a href=\"https:\/\/www.medicalbillersandcoders.com\/revenue-management-services.aspx?DivId=denial-management-appeals\" target=\"_blank\" rel=\"noopener noreferrer\" data-mce-rel=\"noopener noreferrer\">denial management<\/a> recovers a timely filing write-off.<\/p>\r\n\r\n\r\n\r\n<h3 id=\"h-5-two-deductible-years-per-pregnancy\" class=\"wp-block-heading\">5. Two deductible years per pregnancy<\/h3>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">Under the global model, most of a pregnancy settled against one benefit year. Crossover patients now face 2026 claims against this year&#8217;s deductible and visit-level 2027 claims against a reset one. Patients will receive more statements than they expect, earlier than they expect. Update patient estimates and front-desk financial counseling now, or first-quarter patient-pay AR and billing complaints rise together.<\/p>\r\n\r\n\r\n\r\n<h3 id=\"h-table-1-crossover-billing-map-by-scenario\" class=\"wp-block-heading\">Table 1: Crossover Billing Map by Scenario<\/h3>\r\n\r\n\r\n\r\n<figure class=\"wp-block-table\">\r\n<table class=\"has-fixed-layout\">\r\n<tbody>\r\n<tr>\r\n<th>Scenario<\/th>\r\n<th>2026 Reporting<\/th>\r\n<th>2027 Reporting<\/th>\r\n<\/tr>\r\n<tr>\r\n<td>1 to 3 routine antepartum visits in 2026, delivery in 2027<\/td>\r\n<td>Individual E\/M codes, plus any payer-required modifier (e.g., TH under New Mexico Medicaid)<\/td>\r\n<td>E\/M per antepartum encounter, labor management, delivery, postpartum E\/M<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>4 to 6 routine antepartum visits in 2026, delivery in 2027<\/td>\r\n<td>CPT 59425<\/td>\r\n<td>Same as above<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>7 or more routine antepartum visits in 2026, delivery in 2027<\/td>\r\n<td>CPT 59426<\/td>\r\n<td>Same as above<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Pregnancy, including postpartum visit, completed before January 1, 2027<\/td>\r\n<td>Existing 2026 codes, including global codes<\/td>\r\n<td>None<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Delivery in Nov or Dec 2026, postpartum visit in 2027<\/td>\r\n<td>Global code by delivery method (e.g., 59400)<\/td>\r\n<td>Postpartum visits on or after Jan 1 reported with E\/M codes<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Labor starts Dec 31, 2026, delivery Jan 1, 2027<\/td>\r\n<td>If not continuous: Dec 31 work may use 99221 to 99223 (confirm payer policy)<\/td>\r\n<td>If continuous: one labor management service (59080 or 59081) reported on Jan 1<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Transfer of care in early 2027<\/td>\r\n<td>Originating practice reports its 2026 visit tier<\/td>\r\n<td>Receiving practice reports only its 2027 encounters<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<\/figure>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">Source: AMA transition FAQ. The completed-before-2027 row reflects NC Medicaid guidance and may differ by payer.<\/p>\r\n\r\n\r\n\r\n<h2 id=\"h-three-2027-maternity-cpt-update-edge-cases-the-ama-has-already-answered\" class=\"wp-block-heading\">Three 2027 Maternity CPT Update Edge Cases the AMA Has Already Answered<\/h2>\r\n\r\n\r\n\r\n<ul>\r\n<li><strong>Delivery in late 2026, postpartum in 2027.<\/strong> The AMA confirms practices bill a November or December 2026 delivery with the appropriate global code, and postpartum visits on or after January 1, 2027 can be reported with E\/M codes. Most practice management systems will treat those visits as already paid under the global period and suppress the charge. Flag every late-2026 delivery so your team bills its 2027 postpartum visits. This is the rare transition scenario where the new rules add revenue rather than put it at risk.\r\n\r\n<\/li>\r\n<li><strong>Labor that crosses midnight on December 31.<\/strong> Continuous labor management that spans two calendar dates is one service, reported once. If labor is continuous from December 31 into January 1, 2027, the initial labor management code, 59080 for straightforward or 59081 for complex, is reported on January 1. If care was not continuous, the December 31 work may fall under initial hospital E\/M codes 99221 to 99223. The AMA strongly advises confirming payer policy in that second scenario, and your labor and delivery documentation needs timestamps clear enough to prove which one applies.\r\n\r\n<\/li>\r\n<li><strong>Non-routine visits stay outside the count.<\/strong> Coders report problem-oriented encounters during pregnancy separately and never added to the 2026 routine visit total. For a patient with five routine visits and two complication visits in 2026, you report 59425 for the routine care, plus separate codes for the two problem visits. Counting all seven as routine would push the claim into 59426 and create an overpayment risk.<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n<h2 id=\"h-how-payers-are-handling-the-2027-maternity-cpt-update\" class=\"wp-block-heading\">How Payers Are Handling the 2027 Maternity CPT Update<\/h2>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">The CPT rule is the baseline. Payer policies sit on top of it, and several published their own transition instructions in mid-2026.<\/p>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">New Mexico Medicaid assigns codes by the date of the first 10-week visit. Pregnancies with a first visit between May 15 and July 14, 2026 use 59426 plus delivery-only codes. Those with a first visit between July 15 and August 30 use 59425. Pregnancies with a first visit on or after September 1, 2026 use E\/M codes with the TH modifier when they total fewer than four encounters before 2027.<\/p>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">MassHealth issued All Provider Bulletin 419 with billing guidance effective September 1, 2026, for prenatal services furnished before the 2027 structure takes effect. NC Medicaid allows existing global and antepartum codes for pregnancies that conclude with a postpartum visit before January 1, 2027.<\/p>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">On the commercial side, Florida Blue and its Truli plan align with the CPT calendar-year rule: E\/M codes for one to three 2026 visits, 59425 for four to six, and 59426 for seven or more. Blue Shield of California published its own FAQ asking providers to begin billing E\/M codes for antepartum visits expected to continue past January 1, 2027.<\/p>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">That last example matters. A payer instruction can differ from the CPT 2026 visit-count rule, and a payer can still return a claim built strictly to CPT. The working rule for a multi-payer group is simple: CPT sets the default, the payer&#8217;s written policy wins where it differs, and every difference gets logged by payer before claims go out.<\/p>\r\n\r\n\r\n\r\n<h3 id=\"h-table-2-published-transition-approaches-by-payer\" class=\"wp-block-heading\">Table 2: Published Transition Approaches by Payer<\/h3>\r\n\r\n\r\n\r\n<figure class=\"wp-block-table\">\r\n<table class=\"has-fixed-layout\">\r\n<tbody>\r\n<tr>\r\n<th>Payer<\/th>\r\n<th>Transition Approach<\/th>\r\n<th>What Your Team Must Configure<\/th>\r\n<\/tr>\r\n<tr>\r\n<td>New Mexico Medicaid<\/td>\r\n<td>Codes assigned by date of first 10-week visit; TH modifier on certain E\/M claims<\/td>\r\n<td>First-visit date field driving code selection; TH modifier rule<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>MassHealth<\/td>\r\n<td>Bulletin 419 guidance effective Sept 1, 2026<\/td>\r\n<td>State-specific edit set for prenatal services before 2027<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>NC Medicaid<\/td>\r\n<td>Global and antepartum codes allowed if postpartum visit occurs before Jan 1, 2027<\/td>\r\n<td>Episode completion date check before code selection<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Florida Blue \/ Truli<\/td>\r\n<td>Follows CPT calendar-year visit-count rule<\/td>\r\n<td>Standard CPT tier logic<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Blue Shield of California<\/td>\r\n<td>Asked providers to begin E\/M billing for antepartum visits continuing past Jan 1, 2027<\/td>\r\n<td>Payer-specific override of CPT tier logic<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<\/figure>\r\n\r\n\r\n\r\n<h2 id=\"h-how-to-build-a-crossover-census-before-december-31\" class=\"wp-block-heading\">How to Build a Crossover Census Before December 31<\/h2>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">For the 2027 Maternity CPT Update, a crossover census is a working list of every pregnancy that will generate claims in both years. It is the control that keeps the 2026 antepartum claim from disappearing. Build it in this order.<\/p>\r\n<div class=\"schema-how-to wp-block-yoast-how-to-block\">\r\n<ol class=\"schema-how-to-steps\">\r\n<li id=\"how-to-step-1793863215379\" class=\"schema-how-to-step\"><strong class=\"schema-how-to-step-name\">Pull active OB patients<\/strong>\r\n<p class=\"schema-how-to-step-text\">Pull every active obstetric patient with an estimated delivery date on or after January 1, 2027, by provider and location.<\/p>\r\n<\/li>\r\n<li id=\"how-to-step-1793863215380\" class=\"schema-how-to-step\"><strong class=\"schema-how-to-step-name\">Count 2026 routine visits<\/strong>\r\n<p class=\"schema-how-to-step-text\">Count completed 2026 routine antepartum encounters per patient from the encounter log, not from the problem list or the delivery record.<\/p>\r\n<\/li>\r\n<li id=\"how-to-step-1793863215381\" class=\"schema-how-to-step\"><strong class=\"schema-how-to-step-name\">Separate non-routine visits<\/strong>\r\n<p class=\"schema-how-to-step-text\">Separate non-routine problem visits from the routine count so they are coded on their own.<\/p>\r\n<\/li>\r\n<li id=\"how-to-step-1793863215382\" class=\"schema-how-to-step\"><strong class=\"schema-how-to-step-name\">Lock the 2026 code tier<\/strong>\r\n<p class=\"schema-how-to-step-text\">Lock each patient&#8217;s 2026 code tier against the visit count as of December 31, 2026.<\/p>\r\n<\/li>\r\n<li id=\"how-to-step-1793863215383\" class=\"schema-how-to-step\"><strong class=\"schema-how-to-step-name\">Map payer transition policies<\/strong>\r\n<p class=\"schema-how-to-step-text\">Map each patient to her payer&#8217;s published transition policy, including modifiers and first-visit date windows.<\/p>\r\n<\/li>\r\n<li id=\"how-to-step-1793863215384\" class=\"schema-how-to-step\"><strong class=\"schema-how-to-step-name\">Flag late-2026 deliveries<\/strong>\r\n<p class=\"schema-how-to-step-text\">Flag every November and December 2026 delivery so 2027 postpartum E\/M visits are not suppressed.<\/p>\r\n<\/li>\r\n<li id=\"how-to-step-1793863215385\" class=\"schema-how-to-step\"><strong class=\"schema-how-to-step-name\">Submit and tag 2026 claims<\/strong>\r\n<p class=\"schema-how-to-step-text\">Submit 2026 antepartum claims in the first weeks of January 2027 and tag them at the pregnancy-episode level so payments and denials reconcile to one patient.<\/p>\r\n<\/li>\r\n<\/ol>\r\n<\/div>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">In addition, each step has an owner. The census pull belongs to whoever runs practice management reporting. The visit count and tier lock belong to coding. Payer mapping belongs to the team that maintains payer policy. If any of those three roles is shared across too many responsibilities, the census will stall in mid-December, which is exactly when it cannot afford to.<\/p>\r\n\r\n\r\n\r\n<h3 id=\"h-sizing-the-exposure\" class=\"wp-block-heading\">Sizing the Exposure<\/h3>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">To size the stakes, MGMA suggests multiplying the transition population by the average global fee. Break that figure out by payer and by 2026 visit tier, then run it against your own census before your next partner or board meeting.<\/p>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">A worked example shows the scale without any dollar assumptions. A group delivering 600 babies per 12 months will see roughly 400 of its 2027 deliveries begin prenatal care in 2026. Every one of those 400 patients needs a correctly tiered 2026 antepartum claim, filed on time, under the right payer rule. If even one in ten slips through, 40 pregnancies&#8217; worth of prenatal care goes unpaid, with no denial to warn anyone.<\/p>\r\n\r\n\r\n\r\n<h2 id=\"h-the-first-90-days-after-the-2027-maternity-cpt-update\" class=\"wp-block-heading\">The First 90 Days After the 2027 Maternity CPT Update<\/h2>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">The census protects the claims you file. As a result, the next quarter confirms whether payers paid them correctly. Treat January through March 2027 as a monitoring window with four weekly checks.<\/p>\r\n\r\n\r\n\r\n<ul>\r\n<li><strong>Rejections by payer.<\/strong> Review front-end rejections on 2026 antepartum claims weekly, grouped by payer. A cluster from one payer usually means a configuration gap, such as a missing modifier or a date-window rule, not a coding error. Fix the rule once rather than reworking claims one at a time.\r\n\r\n<\/li>\r\n<li><strong>Tier-level payment variance.<\/strong> Compare payments on 59425 and 59426 claims against expected allowables. Underpayments on antepartum-only codes are easy to miss because those codes were rarely billed in volume before.\r\n\r\n<\/li>\r\n<li><strong>Suppressed postpartum charges.<\/strong> Run a report of late-2026 deliveries with 2027 postpartum visits and confirm each visit generated a charge. Any visit with no charge is revenue the system assumed was already paid.\r\n\r\n<\/li>\r\n<li><strong>Patient balance trends.<\/strong> Watch patient-pay AR for crossover patients. A spike in statements and calls signals that estimates or counseling did not catch up with the two-deductible reality.<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n<h2 id=\"h-why-generic-vendors-miss-the-2027-maternity-cpt-update-cohort\" class=\"wp-block-heading\">Why Generic Vendors Miss the 2027 Maternity CPT Update Cohort<\/h2>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">Most billing vendors process claims one encounter at a time. Crossover pregnancies require tracking one patient across two calendar years, two code sets, and several claims that must reconcile to a single episode. Without an episode-level census, the 2026 antepartum claim is the one that quietly never gets filed.<\/p>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">The gap is structural, not a matter of effort. A vendor built for single-encounter billing has no field for estimated delivery date, no logic for locking a visit tier at year-end, and no way to see that a pregnancy is missing a claim. Its reports show what your team billed. However, they cannot show the charges your team missed.<\/p>\r\n\r\n\r\n\r\n<h3 id=\"h-table-3-crossover-control-points-generic-vendor-vs-mbc\" class=\"wp-block-heading\">Table 3: Crossover Control Points, Generic Vendor vs. MBC<\/h3>\r\n\r\n\r\n\r\n<figure class=\"wp-block-table\">\r\n<table class=\"has-fixed-layout\">\r\n<tbody>\r\n<tr>\r\n<th>Control Point<\/th>\r\n<th>Generic Billing Vendor<\/th>\r\n<th>MBC Crossover Protocol<\/th>\r\n<\/tr>\r\n<tr>\r\n<td>Claim timing<\/td>\r\n<td>Holds antepartum billing until delivery<\/td>\r\n<td>Bills 2026 antepartum care once the December 31 count is locked<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Visit count<\/td>\r\n<td>Manual chart review at delivery<\/td>\r\n<td>Encounter census by estimated delivery date from the PM system<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Payer rules<\/td>\r\n<td>One edit applied to all payers<\/td>\r\n<td>Payer-by-payer transition matrix, including Medicaid modifiers and date windows<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Timely filing<\/td>\r\n<td>Tracked per claim, after submission<\/td>\r\n<td>Monitored from the original 2026 date of service<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Reconciliation<\/td>\r\n<td>Claims worked as unrelated encounters<\/td>\r\n<td>Payments and denials tied to one pregnancy episode<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<\/figure>\r\n\r\n\r\n\r\n<h2 id=\"h-conclusion-preparing-for-the-2027-maternity-cpt-update\" class=\"wp-block-heading\">Conclusion: Preparing for the 2027 Maternity CPT Update<\/h2>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">Leadership will judge the 2027 Maternity CPT Update on January claims, but crossover revenue is decided in November and December. Groups that build their census, lock visit counts, and file 2026 antepartum claims early will collect on care already delivered. Groups that rely on the delivery date to trigger billing are relying on a code that no longer exists.<\/p>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">The AMA has answered the core questions. Payers have published their rules. What remains is execution: a census, a tier lock, a payer map, and a monitoring plan that runs through March. For the code-level overview, see our analysis of <a href=\"https:\/\/www.medicalbillersandcoders.com\/blog\/is-your-obgyn-billing-company-ready-for-cpt-2027\/\" target=\"_blank\" rel=\"noopener noreferrer\" data-mce-rel=\"noopener noreferrer\">OBGYN billing company readiness for CPT 2027<\/a>; for cash flow planning, read <a href=\"https:\/\/www.medicalbillersandcoders.com\/article\/2027-maternity-billing-change.html\" target=\"_blank\" rel=\"noopener noreferrer\" data-mce-rel=\"noopener noreferrer\">the 2027 maternity billing change<\/a>.<\/p>\r\n\r\n\r\n\r\n<h2 id=\"h-mbc-spotlight-episode-level-control-for-the-january-1-cutover\" class=\"wp-block-heading\">MBC Spotlight: Episode-Level Control for the January 1 Cutover<\/h2>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">MBC&#8217;s <a href=\"https:\/\/www.medicalbillersandcoders.com\/speciality\/obgyn-medical-billing-services.html\" target=\"_blank\" rel=\"noopener noreferrer\" data-mce-rel=\"noopener noreferrer\">OBGYN Center of Excellence<\/a> applies its Revenue Integrity Framework to crossover pregnancies: building the census by delivery date, locking 2026 visit tiers, mapping payer transition rules through payer variance detection, and monitoring filing deadlines from the original date of service. A dedicated RCM Principal owns each episode through final payment on a system-agnostic RCM infrastructure. Clients benefit from a 97% clean claim rate, a 30% A\/R reduction within 90 days, and 98% client retention built over 25+ years. When transition-quarter claims stall, MBC&#8217;s <a href=\"https:\/\/www.medicalbillersandcoders.com\/services\/old-ar-recovery-services\" target=\"_blank\" rel=\"noopener noreferrer\" data-mce-rel=\"noopener noreferrer\">old AR recovery<\/a> team works them before they age out.<\/p>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\"><strong>Request Your Revenue Diagnostic<\/strong> and get a crossover pregnancy census built from your own encounter data before December 31.<\/p>\r\n\r\n\r\n\r\n<h2 id=\"h-references\" class=\"wp-block-heading\">References<\/h2>\r\n\r\n\r\n\r\n<ul class=\"wp-block-list\">\r\n<li><a href=\"https:\/\/medicaid.ncdhhs.gov\/blog\/2026\/07\/10\/transition-american-medical-association-maternity-current-procedural-terminology-2027-code-changes\" target=\"_blank\" rel=\"noopener\">NC Medicaid: Transition to AMA Maternity CPT 2027 Code Changes<\/a><\/li>\r\n\r\n\r\n\r\n<li><a href=\"https:\/\/www.hca.nm.gov\/wp-content\/uploads\/Unbundling-Global-Maternity-Services-Announcement-FINAL.pdf\" target=\"_blank\" rel=\"noopener\">New Mexico Health Care Authority: Unbundling Global Maternity Services Announcement<\/a><\/li>\r\n\r\n\r\n\r\n<li><a href=\"https:\/\/www.mass.gov\/doc\/all-provider-bulletin-419-transition-to-separate-reporting-of-maternity-care-services\/download\" target=\"_blank\" rel=\"noopener\">MassHealth All Provider Bulletin 419: Transition to Separate Reporting of Maternity Care Services<\/a><\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n<h2 id=\"h-2027-maternity-cpt-update-frequently-asked-questions\" class=\"wp-block-heading\">2027 Maternity CPT Update: Frequently Asked Questions<\/h2>\r\n\r\n\r\n\r\n<div class=\"schema-faq wp-block-yoast-faq-block\">\r\n<div id=\"faq-question-1793863215449\" class=\"schema-faq-section\"><strong class=\"schema-faq-question\">What does the 2027 Maternity CPT Update change for pregnancies that span 2026 and 2027?<\/strong>\r\n<p class=\"schema-faq-answer\">Under the 2027 Maternity CPT Update, these pregnancies follow both years&#8217; rules. Practices report 2026 antepartum visits with 2026 codes based on visit count, while each 2027 antepartum encounter uses an individual E\/M code, alongside the new labor management, delivery, and postpartum reporting. A single pregnancy therefore generates claims in two code sets.<\/p>\r\n<\/div>\r\n<div id=\"faq-question-1793863215451\" class=\"schema-faq-section\"><strong class=\"schema-faq-question\">Which code do we use for 2026 prenatal visits if the patient delivers in 2027?<\/strong>\r\n<p class=\"schema-faq-answer\">It depends on the number of 2026 routine antepartum encounters. One to three visits use individual E\/M codes, four to six with CPT 59425, and seven or more with CPT 59426. Only visits dated in 2026 count toward that total, and payers may add their own modifier or date-window requirements.<\/p>\r\n<\/div>\r\n<div id=\"faq-question-1793863215453\" class=\"schema-faq-section\"><strong class=\"schema-faq-question\">Should we wait until delivery to bill 2026 antepartum care?<\/strong>\r\n<p class=\"schema-faq-answer\">No. AMA guidance states practices do not need to hold billing until delivery and recommends submitting once the volume of completed 2026 visits is certain. Waiting for a 2027 delivery date delays cash and can push early 2026 dates of service toward or past a payer&#8217;s timely filing limit.<\/p>\r\n<\/div>\r\n<div id=\"faq-question-1793863215455\" class=\"schema-faq-section\"><strong class=\"schema-faq-question\">How do we bill a December 2026 delivery with a postpartum visit in January 2027?<\/strong>\r\n<p class=\"schema-faq-answer\">The AMA says to report the appropriate global code for the 2026 delivery based on delivery method. Practices can report postpartum services performed on or after January 1, 2027 with the appropriate E\/M code. Check that your system does not suppress those visits as part of the global period.<\/p>\r\n<\/div>\r\n<div id=\"faq-question-1793863215457\" class=\"schema-faq-section\"><strong class=\"schema-faq-question\">Do all payers follow the same transition rules?<\/strong>\r\n<p class=\"schema-faq-answer\">No. Florida Blue follows the CPT calendar-year approach, but some payers set their own rules. New Mexico Medicaid assigns codes by first-visit date and requires the TH modifier in some cases, and Blue Shield of California asked for earlier E\/M billing. Confirm each payer&#8217;s written policy before submitting crossover claims.<\/p>\r\n<\/div>\r\n<\/div>\r\n\r\n<p>&nbsp;<\/p>\r\n<\/li>\r\n<\/ol>","protected":false},"excerpt":{"rendered":"<p>Under the 2027 Maternity CPT Update, every pregnancy that crosses January 1 falls under two code sets, and the 2026 prenatal care inside it gets paid only if your team counts, codes, and submits it separately instead of waiting for delivery. However, that cohort is larger than most groups assume. Any patient delivering before roughly [&hellip;]<\/p>\n","protected":false},"author":8,"featured_media":33508,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[434],"tags":[6704,6706,6705,6703,709,6702],"class_list":["post-33474","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ob-gyn-billing-services","tag-2026-antepartum-care-billing","tag-2027-maternity-cpt-update","tag-cpt-59425-59426-transition","tag-crossover-pregnancy-billing","tag-ob-gyn-billing-services","tag-pregnancies-spanning-2026-and-2027"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.8 (Yoast SEO v28.8) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>2027 Maternity CPT Update: Crossover Pregnancy Billing<\/title>\n<meta name=\"description\" content=\"Get prepared for the 2027 Maternity CPT Update and understand the new billing rules for prenatal care beyond January 1.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.medicalbillersandcoders.com\/blog\/2027-maternity-cpt-update\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"2027 Maternity CPT Update: Protecting Revenue on Pregnancies That Cross 1st of January\" \/>\n<meta property=\"og:description\" content=\"Get prepared for the 2027 Maternity CPT Update and understand the new billing rules for prenatal care beyond January 1.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.medicalbillersandcoders.com\/blog\/2027-maternity-cpt-update\/\" \/>\n<meta property=\"og:site_name\" content=\"Medical Billing and RCM Blogs\" \/>\n<meta property=\"article:published_time\" content=\"2026-11-05T08:46:19+00:00\" \/>\n<meta property=\"og:image\" 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Dedicated to educating healthcare professionals on compliance, accuracy, and strategies to improve billing performance.\",\"sameAs\":[\"https:\\\/\\\/www.medicalbillersandcoders.com\\\/\",\"https:\\\/\\\/www.linkedin.com\\\/in\\\/debbie-young-4544a631a\\\/\"],\"url\":\"https:\\\/\\\/www.medicalbillersandcoders.com\\\/blog\\\/author\\\/debbie-young\\\/\"},{\"@type\":\"Question\",\"@id\":\"https:\\\/\\\/www.medicalbillersandcoders.com\\\/blog\\\/2027-maternity-cpt-update\\\/#faq-question-1793863215449\",\"position\":1,\"url\":\"https:\\\/\\\/www.medicalbillersandcoders.com\\\/blog\\\/2027-maternity-cpt-update\\\/#faq-question-1793863215449\",\"name\":\"What does the 2027 Maternity CPT Update change for pregnancies that span 2026 and 2027?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Under the 2027 Maternity CPT Update, these pregnancies follow both years' rules. 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Only visits dated in 2026 count toward that total, and payers may add their own modifier or date-window requirements.\",\"inLanguage\":\"en-US\"},\"inLanguage\":\"en-US\"},{\"@type\":\"Question\",\"@id\":\"https:\\\/\\\/www.medicalbillersandcoders.com\\\/blog\\\/2027-maternity-cpt-update\\\/#faq-question-1793863215453\",\"position\":3,\"url\":\"https:\\\/\\\/www.medicalbillersandcoders.com\\\/blog\\\/2027-maternity-cpt-update\\\/#faq-question-1793863215453\",\"name\":\"Should we wait until delivery to bill 2026 antepartum care?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No. AMA guidance states practices do not need to hold billing until delivery and recommends submitting once the volume of completed 2026 visits is certain. 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