While the stated goal is modernization, the implications reach far beyond coding mechanics. For clinicians and practice leaders, now is the time to understand what this change signals — and how to prepare in the next year.
For generations, obstetric care has been reimbursed through global billing, a bundled construct that assumes pregnancy follows a predictable arc. One code was meant to capture months of prenatal care, delivery, and postpartum services. In reality, pregnancy rarely unfolds in such a uniform way.
Visit frequency varies widely, care is often shared across clinicians or settings, and medical, behavioral, and social needs differ dramatically between patients. Preserving chronic care reimbursement (e.g. diabetes and gestational diabetes) associated with pregnancy is critical for many mothers.
The anticipated CPT changes move obstetrics toward more discrete, service-based coding. Rather than a single bundled payment, prenatal, intrapartum, and postpartum care may be reported in more granular ways. For providers, this creates both opportunity and risk. On one hand, more detailed codes could better reflect the intensity and complexity of care — particularly for patients who require enhanced surveillance, multidisciplinary coordination, or extended postpartum follow-up. On the other hand, practices accustomed to global billing will need new workflows, documentation habits, and financial forecasting models.
These coding changes are also unfolding alongside broader policy shifts. CMS has finalized new Conditions of Participation for obstetrical services, emphasizing readiness, equity, and safety. Federal payment rules increasingly intersect with expectations around quality reporting, mental health screening, and continuity of care beyond delivery.
At the same time, ACOG’s clinical guidance on tailored prenatal care underscores that visit schedules should be driven by patient need rather than tradition alone. Coding reform is not happening in isolation; it is part of a larger recalibration of how maternity care is being defined, delivered, and valued.
Critically, unbundling obstetric services does not automatically equate to value-based care. True value hinges on outcomes that matter to patients, not simply on how many line items appear on a claim. There is a real risk that replacing global billing with fragmented fee-for-service coding could increase administrative burden without improving maternal outcomes — unless practices pair these changes with intentional care redesign. Payment reform must support, not undermine, investments in care coordination, behavioral health integration, and digital tools that extend care beyond the clinic walls.
Practices can start by assessing how care is currently delivered versus how it is billed:
As maternity care becomes more personalized, scalable digital platforms can help track encounters, patient-reported data, and remote touchpoints that traditional billing models have overlooked. These tools not only support clinical decision-making but also create the data infrastructure needed to navigate more complex coding environments.
The 2027 CPT changes represent more than a billing update; they reflect a shift in how the health system understands pregnancy itself. Obstetric care is longitudinal, dynamic, and deeply influenced by social context. Coding structures are finally beginning to catch up.
Providers who engage early, rethink care models, and invest in operational readiness will be best positioned to adapt — and to ensure that payment reform ultimately serves patients, not paperwork.