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 guidelines
OB/GYN Billing & Coding Alert - South Dakota Medicaid: Maternity...
South Dakota Medicaid allows providers to bill prenatal visits, delivery, and postpartum care separately for services...
Read more
OB/GYN Billing & Coding Alert - Preparing for Coordinated Care’s...
Coordinated Care announced changes to obstetric billing in its September 2026 provider notice. Beginning January 1, 2027,...
Read more
OB/GYN Billing & Coding Alert - Arizona AHCCCS Maternity Billing
Starting January 1, 2027, Arizona’s AHCCCS program will no longer accept global maternity codes. Report antepartum care,...
Read more
OB/GYN Billing & Coding Alert - 2027 Medicare Physician Fee Schedule
Under the proposal, physicians may receive less payment for office visits performed on the same day as a procedure. It...
Read more
OB/GYN Billing & Coding Alert - OHCA 2027 Maternity Billing Changes
The Oklahoma Health Care Authority (OHCA) is preparing providers for a mandatory shift from legacy bundled maternal codes...
Read more
OB/GYN Billing & Coding Alert - Incident-to Billing: Navigating...
Incident-to billing lets a practice collect 100% of the Medicare fee schedule for qualifying visits performed by a nurse...
Read more
OB/GYN Billing & Coding Alert - Understanding IUD Coding for...
IUD coding is more than an insertion or removal code. One visit can involve contraceptive counseling, device replacement,...
Read more
OB/GYN Billing & Coding Alert - OB/GYN Coding Rules for...
Endometriosis surgery is hard to code when more than one site is involved. A surgeon may excise endometriosis from the...
Read more
OB/GYN Billing & Coding Alert - ICD-10-CM Coding for Obesity...
A pregnant patient can have a high BMI and a documented history of obesity, but that does not automatically mean obesity...
Read more
OB/GYN Billing & Coding Alert - High-Risk OB and IVF Pregnancy Coding
Pregnancy coding is determined by IVF, donor eggs, gestational carriers, and advanced maternal age, but these factors do...
Read more
OB/GYN Billing & Coding Alert - Medi-Cal EWC Program Adds 15...
Medi-Cal also announced October 9, 2026 that the California Every Woman Counts (EWC) program will add new procedure codes...
Read more
OB/GYN Billing & Coding Alert - IUD Insertion After Vaginal Delivery
Coding Guidelines Insertion of an IUD immediately following the vaginal delivery might appear to be a part of the...
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 →