130 GUIDELINES · ALL 50 STATES, DC AND PUERTO RICO · REVIEWED WEEKLY
Find the OB/GYN billing rule for your
state and payer
Choose your state, the payer on the patient's card, and what you're billing. Every guideline shows its official source and the date we last checked it.
Global OB codes retire on January 1, 2027. Each state and payer page shows where that payer stands: final rules, announced, or no notice yet.
See the 2027 trackerOB/GYN billing & coding guidelines
130 guidelinesOB/GYN Billing & Coding Alert - Oregon Maternity Coding Changes...
At the September 14, 2026 Quality and Health Outcomes Committee (QHOC) meeting, the Oregon Health Authority (OHA)...
Read moreOB/GYN Billing & Coding Alert - OHCA 2027 Maternity Care Billing Changes
The Oklahoma Health Care Authority (OHCA) is preparing providers for a mandatory shift from legacy bundled maternal codes...
Read moreOB/GYN Billing & Coding Alert - Health First Colorado Maternity...
Prenatal billing changes are effective September 1, 2026, in preparation for the AMA maternity CPT restructuring...
Read moreOB/GYN Billing & Coding Alert - Community First and 2027...
For 2027, Community First Health Plans notified providers on August 3, 2026, about CPT maternity care revisions effective...
Read moreOB/GYN Billing & Coding Alert - IHCP Recognizes Maternity CPT...
Beginning Jan. 1, 2027, the American Medical Association will update its Maternity Current Procedural Terminology (CPT) codes.
Read moreOB/GYN Billing & Coding Alert - MaineCare TH Modifier and 2027...
MaineCare announced maternity billing changes effective September 1, 2026, in preparation for the AMA’s broader CPT...
Read moreOB/GYN Billing & Coding Alert - North Carolina Medicaid 2027...
NC Medicaid removes the current maternity codes, including the OB globals, from its fee schedule and is adopting the AMA...
Read moreOB/GYN Billing & Coding Alert - Nevada Medicaid and 2027...
Nevada Medicaid, including its managed care organizations, will not adopt the AMA's four-phase maternity code structure...
Read moreOB/GYN Billing & Coding Alert - ICD-10-CM FY 2027 Obstetric...
The FY2027 ICD-10-CM code set introduces several important additions to obstetric diagnosis coding. CMS and NCHS have...
Read moreOB/GYN Billing & Coding Alert - Michigan Medicaid Proposed 2027...
This guideline explains updated coverage and billing requirements for routine maternity care services in Michigan...
Read moreOB/GYN Billing & Coding Alert - Aetna Guidance for 2027 Prenatal Claims
Effective Jan. 1, 2027, the CPT® code book will see a monumental restructure of the Maternity Care Services section. For...
Read moreOB Billing & Coding Alert - AMA Finalizes 2027 Maternity Care CPT Changes
The AMA has already stated that the traditional maternity global structure will be replaced by phase-specific billing....
Read moreMedicaid maternity rules, state by state
Medicaid covers a large share of births in the US, and no two state programs bill maternity the same way. Some pay a global package. Some refuse it entirely. We publish the rules for each state we bill into.
Browse by national payer
All payers: commercial, Blues, Medicaid plans →Can't find your answer?
Ask a COBGC-certified OB/GYN coder. We reply within one business day and add the answer to the library.
Three ways to reach the OB/GYN desk
Most practices start with the free audit. But if you just have a question about a code or a denial, ask it — you don't need the form.
- An AAPC-certified biller and coder reviews it — not a sales rep
- You hear back within one business day
- No contract, no obligation, nothing to cancel
Let's Get in Touch
Please fill up the form, one of our AAPC certified medical biller and coder will reach out to you.
The blog
Longer pieces on running an OB/GYN practice — revenue cycle strategy, staffing, and what the numbers should look like.
Read the blog →Audit one pregnancy
Send one delivered patient, start to finish. A certified coder walks all forty weeks and tells you what each phase left behind.
Request the audit →