The Shift That Changes Everything: Understanding the 2027 Maternity Coding Changes
The 2027 maternity coding changes will transform how organizations document, measure, and manage every stage of pregnancy care.
In healthcare, billing changes rarely grab headlines. New codes come and go, and most organizations absorb revisions through operational tweaks rather than strategic changes.
But the 2027 maternity coding changes are different, and the window for strategic preparation is shorter than most leaders realize. Health system leaders who treat this as a routine billing update may find themselves caught flat-footed when the economics of pregnancy care start shifting under their feet.
Put simply, global obstetric billing is on its way out, with sweeping obstetric billing reform replacing bundled payments with discrete, service-level coding. The implications for healthcare leaders are significant. To understand why, it helps to see how the current model works and what’s coming next.
This first article in a three-part series explains what’s changing in 2027, what isn’t, and why it matters.
What is changing with maternity coding in 2027?
Beginning January 1, 2027, the AMA will replace global obstetric CPT codes with discrete, service-level codes that separately track antepartum care, labor management, delivery, and postpartum care. The change affects how professional work is attributed and reimbursed across the entire maternity care team.
The Challenge with Global Codes
For as long as most OB/GYN practices have been billing, maternity care has been packaged into global obstetric codes. These bundles cover antepartum visits, the delivery itself, and postpartum care, and were designed to simplify billing and administrative processes.
But clinical reality on labor and delivery units has evolved over the last three decades. Care has become more complex, often involving teams of clinicians, including laborists, certified nurse midwives, advanced practice providers, and postpartum specialists. These clinicians work across the different phases of the maternity episode and sometimes across multiple care sites.
Many of the codes in use today no longer reflect how obstetric care is actually delivered. As a result, the current coding structure can obscure who performs the work, particularly in hospital-based or team-based delivery models, and fails to capture the full scope and complexity of modern maternity care.
What’s Changing in 2027
Starting January 1, 2027, the American Medical Association (AMA) will overhaul the CPT framework for maternity care, replacing the decades-old global obstetric bundles with discrete, service-level codes across each stage of the episode: antepartum care, labor management, delivery, and postpartum care.
Final code definitions and RVU assignments will be released with the 2027 CPT update, but the direction is clear: work that has historically been embedded within a global payment will become separately visible and attributable to the clinician performing it.
This spans services like:
- Initial labor evaluation and admission decision
- Ongoing labor management prior to delivery
- Decision to proceed with operative (cesarean) delivery
- Delivery of the infant
- Immediate post-delivery and postoperative management
- Routine inpatient postpartum care
What’s Not Changing
The CPT changes affect attribution—how work is recognized and credited—not workload. Labor and delivery units will continue to require continuous coverage, and that operational reality doesn’t move. This distinction matters because it has implications for how organizations should respond. For healthcare leaders, the shift requires understanding how existing care models will perform under discrete coding.
Why This Is a Structural Shift
It’s easy to frame the transition from global to discrete coding as a billing update or a documentation change with some downstream reporting implications. But that framing undersells what’s actually happening.
What’s changing is more fundamental: how professional work across the maternity continuum is recognized. For decades, global codes bundled entire maternity episodes into single charges, making individual contributions difficult to track. Discrete coding disaggregates that bundle, giving hospitals and practices clearer visibility into the work and roles across the maternity care team.
Early Implications for Healthcare Leaders
Leaders should anticipate pressure across several interconnected areas:
Reexamine attribution and RVU accuracy: Granular documentation of professional services will be required to ensure proper RVU assignment. Gaps in documentation will translate directly into gaps in revenue integrity.
Align workflows across care teams: Team-based care, multi-site delivery, and cross-coverage arrangements will need standardized processes to avoid losing credit for work performed.
Rethink roles and productivity: Discrete attribution will surface questions about how productivity is allocated across care teams. It may also prompt a re-examination of call responsibilities and role delineation.
Reassess service line planning: Clearer visibility into delivery services may have downstream effects on adjacent specialties, particularly pediatrics and neonatology in integrated women's and children's programs. See how our team supports OB service line planning.
Stress-test compensation models: Existing compensation structures should be evaluated under discrete coding assumptions to understand how performance and credit flow when services are individually attributed.
Key Takeaways
- The 2027 maternity coding changes replace global obstetric bundles with discrete, service-level CPT codes effective January 1, 2027.
- The shift changes attribution — how professional work is recognized and credited — not the underlying clinical workload.
- Documentation, workflow, compensation, and service line planning all require proactive evaluation before the transition takes effect.
- Healthcare leaders who treat this as a strategic inflection point, rather than a routine billing update, will be best positioned to protect revenue integrity and align their care models.
Looking Ahead
None of this is insurmountable, but it requires leaders to treat 2027 as a strategic inflection point for maternity care rather than a technical update—and sets the stage for how labor and delivery coverage models may need to adapt.
The upcoming installments will explore the economic effects of discrete attribution on coverage and operations, followed by a closer look at compensation, governance, and practical steps for leaders to stay ahead of the 2027 changes.
Changes this significant call for strategic action, not just adaptation. Our physician compensation and workforce planning experts help hospitals and health systems evaluate how discrete attribution will affect performance, productivity, and provider agreements — before 2027 arrives.
- Explore Provider Compensation Strategy
- See How We Support Coding & Revenue Integrity
- Connect With Our Team
Next in This Series
Part 2: The Economic Ripple Effect: How Financial and Operational Models Will Need to Evolve as Discrete Attribution Changes Coverage Economics
Part 3: Compensation, Governance, and What to Do Now to Get Ahead of 2027 Maternity Coding Changes
