OB/GYN CPT Codes
Obstetric billing runs on global packages: one code covers prenatal visits, the delivery, and postpartum care, billed after delivery. That single convention drives most OB billing questions, especially when patients switch practices mid-pregnancy. On the GYN side, it's procedures: IUDs, colposcopy, and surgeries, each with their own device and pathology lines.
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OB/GYN CPT codes
Routine Obstetric Care, Vaginal Delivery (Global)
Complete package: antepartum care, vaginal delivery, and postpartum care.
Routine Obstetric Care, Cesarean Delivery (Global)
Complete package with cesarean delivery.
OB Ultrasound, After First Trimester
The standard anatomy scan. Bills separately from the OB global package.
IUD Insertion
Insertion procedure only. The device bills separately.
IUD Removal
Removal of an intrauterine device. Removal plus same-day insertion of a new one bills both with modifier 59 payer-permitting.
Colposcopy with Biopsy and ECC
Colposcopy of the cervix with biopsies and endocervical curettage.
Urine Pregnancy Test
Office urine pregnancy test by visual color comparison.
Codes in blue have full detail pages with documentation requirements, billing mistakes, and FAQ.
OB/GYN billing notes
59400 (vaginal) and 59510 (cesarean) are global packages covering roughly 13 prenatal visits, the delivery, and postpartum care. Bill after delivery, not along the way.
When a patient transfers in or out mid-pregnancy, the global package breaks apart: antepartum visits bill by count (59425 for 4-6 visits, 59426 for 7 or more), and delivery-only codes cover the rest.
IUD insertion (58300) pays for the procedure only. The device itself bills separately as a supply line, and it usually costs more than the insertion pays.
Problem visits during pregnancy for issues unrelated to the pregnancy bill as regular E&M outside the global package, with documentation making the separation clear.
Ultrasounds are never part of the OB global. 76805 and the rest of the OB ultrasound family bill separately each time, subject to payer frequency rules.
Frequently asked questions about ob/gyn billing
What does the OB global package include?▼
Routine prenatal visits (typically around 13), the delivery itself, and routine postpartum care through about six weeks, all in one code billed after delivery. It does not include ultrasounds, labs, or visits for problems unrelated to the pregnancy, which bill separately as they happen.
How do I bill when a pregnant patient transfers to our practice mid-care?▼
Skip the global and itemize. Bill antepartum care by visit count (59425 for four to six visits, 59426 for seven or more), then the delivery-only code and postpartum-only code as applicable. The practice she left bills its own antepartum count the same way.
Is the IUD device included in 58300?▼
No. 58300 pays only for the insertion procedure, and honestly not much for it. The device bills on its own line with its own supply code, and since the device costs hundreds of dollars, missing that line is one of GYN billing's most expensive oversights.
Sources
- Code set structure and updates: American Medical Association — CPT
- Fee schedule and component billing rules: CMS Medicare Physician Fee Schedule
- How we research and verify: our editorial policy
CPT® is a registered trademark of the American Medical Association. Content on this page is original educational writing, not a reproduction of AMA-copyrighted descriptions. Verify codes and payer rules before billing.