How to Bill CPT 59400 for OB/GYN and Maternity Services

Feb 3, 2026

When to Use CPT Code 59400

CPT 59400 is used for obstetric or gynecologic services, including prenatal care, delivery, postpartum care, and diagnostic procedures.

  • Service type: OB/GYN services
  • Billing model: Global, partial, or procedural
  • Who bills it: Obstetricians, gynecologists, and qualified providers

Common scenarios:

  • Routine prenatal care
  • Vaginal or cesarean delivery
  • Postpartum follow-up
  • Gynecologic diagnostic or therapeutic procedures

Insurance Verification Tips for CPT 59400

  1. Confirm global vs split billing rules.
  2. Verify maternity benefit eligibility.
  3. Track number of prenatal visits.
  4. Apply modifiers when care is transferred.

Example Case of CPT 59400

An OB/GYN provider delivers obstetric or gynecologic care according to clinical guidelines.
The service is documented and billed as one unit of CPT 59400.

Talos Billing provides end-to-end medical billing services. Want to learn more? Book a call today.

Book a Call