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2027 Substrate Maternity Resource Center

Global billing for maternity is ending.

Today, maternity care is largely billed using a "global" code. Beginning January 1, 2027, CPT revisions will allow care to be reported more granularly at the service level. January 1 is the CPT effective date, but each payer might choose to transition billing on their own timeline.

The 2027 Substrate Maternity Resource Center tracks which of your payers are moving off global maternity billing, so you can adapt proactively. For more background, see the AMA CPT 2027 maternity care services update.

161Tracked Payers
28confirmed 2027 guidance
41proposed but not final
16pending payer guidance
14awareness notice only
62policies unchanged

Current As Of September 2026

Billing tools

Turn payer policy into billing instructions

Standardized biller rubric

What to bill, by payer

Visit-date and EDD triggers, visit-count rules, codes to bill, modifiers, diagnosis and Category II requirements, cost share, and payer contacts, each tied to the verbatim source passage.

Open the rubric →

Encounter billing calculator

Check a single encounter

Enter the state, payer or plan, date of service, delivery date or EDD, visit number, and service phase to get that payer's own maternity billing instruction with its source.

Open the calculator →

Interactive policy explorer

Find a payer or transition date

1 payer record

State results include exact state records and clearly labeled national commercial guidance. National guidance does not confirm a state-plan, Medicaid, or Medicare Advantage policy.

Payer results

Matched payer policy cards

Confirmed 2027 guidance

Premera Blue Cross of Washington

WA

Premera’s cross-year tip sheet establishes staged antepartum cohorts beginning 2026-05-15 and itemized maternity coding beginning 2027-01-01.

Published
2026-07-27
Transition starts
May 15, 2026
Billing starts
January 1, 2027
Evidence checked
2026-09-08
Billing notes and scope

Scope: Premera Blue Cross of Washington provider notice and tip sheet. The visible notice does not expressly assign the rule to a particular line of business.

Transition: First antepartum visit 2026-05-15 through 2026-07-14 with delivery due Dec. 2026/Jan. 2027 uses 59426 plus delivery-only coding. The next cohort uses 59425 plus 2027 delivery-only coding. On/after 2026-09-01 for deliveries due after Apr. 2027, use E/M; 59425 may still apply when 4+ visits occur before 2027-01-01.

Global billing: The tip sheet retains defined 2026 antepartum visit-count codes during transition; service-level coding starts 2027-01-01.

Do not extend this record to separately listed unscoped HMO or individual-plan aliases without product confirmation.

Policy packets

Select and download

Client-ready PDF

Export a tailored payer-mix guide

Cover summary, selected payers and states, the evaluation rubric, and one page per policy document with verbatim payer guidance and source links.

Select at least one payer card above to build a guide.

Frequently asked questions

What you need to know

Is global billing for maternity ending everywhere at once?

No. CPT revisions take effect January 1, 2027, but that is not each payer's billing date. Search tracked payers to see who published a transition date, whose guidance is still proposed, and whose policies are unchanged.

What is changing about maternity billing in 2027?

Today, maternity care is largely reported using a global code. Beginning January 1, 2027, CPT revisions will allow care to be reported more granularly at the service level. Whether and when a payer moves off global billing depends on that payer's own policy.

How do I see what’s changing by payer in my market?

Search the 2027 Substrate Maternity Resource Center by payer, then open the primary policy. Confirm the transition and billing dates, and recheck the source before submitting claims. This is policy intelligence, not coding or legal advice.

Can I download policies for multiple payers?

Yes. Select payer cards and download an offline source packet containing the policy summary plus links to the maternity policy and the payer policy homepage. The source documents remain on each payer's website.

Disclaimer

The information provided on this page is for general informational purposes only and does not constitute billing, coding, or reimbursement advice. Nothing on this page should be relied upon as a substitute for clinician assessment, professional billing guidance, or as a definitive statement of any payor's billing requirements or policies.

Payor agreements, fee schedules, and billing policies vary and are subject to change. Before submitting any claims related to maternity care services — including claims affected by the 2027 CPT code revisions — providers should consult the applicable payor agreements, coverage policies, and billing guidelines to confirm current requirements for their specific payor contracts.

Substrate makes no representation or warranty regarding the accuracy, completeness, or timeliness of the payor-specific information presented here. Providers are solely responsible for ensuring that all claims are submitted in accordance with applicable payor requirements, and Substrate assumes no liability for claim denials, underpayments, or other adverse outcomes arising from reliance on this information.

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