G4018 HCPCS Level II code: Obstetrics/gynecology mips specialty set
G4018 is the HCPCS code for “Obstetrics/gynecology mips specialty set” in CMS’s October 2026 release, in effect from Oct 1, 2026.
Official description
G4018Obstetrics/gynecology mips specialty set
Short description: Ob/gyn ss
HCPCS · United States
Medicare details
The indicators CMS publishes with G4018 in its October 2026 file. They describe Medicare’s handling, not another payer’s.
- Medicare coverage
- Carrier judgment
- Medicare pricing
- Service not separately priced by Part B (e.g., services not covered, bundled, used by Part A only, etc.)
- Type of service
- Medical care
- BETOS category
- Undefined codes
- Added
- Jan 1, 2022
Where G4018 sits
- 1G codesProcedures and professional services
- 2Active code G4018Obstetrics/gynecology mips specialty set
Source and release
- Data release
- HCPCS Level II · October 2026
- Effective date
- Oct 1, 2026
- Publisher
- CMS
This page is built from the HCPCS Level II catalog that Vero Codes reads when it suggests codes: Centers for Medicare & Medicaid Services’s October 2026 release, imported from the publisher’s file and checked against it. The description, notes and structured data come from the same record.
Frequently asked questions
What does HCPCS code G4018 mean?
G4018 is the HCPCS code for “Obstetrics/gynecology mips specialty set” in CMS’s HCPCS Level II October 2026 release.
Does Medicare cover G4018?
CMS lists G4018’s Medicare coverage as “Carrier judgment” and its pricing as “Service not separately priced by Part B (e.g., services not covered, bundled, used by Part A only, etc.)”. Coverage and payment still depend on the patient, the setting, the documentation and the payer.
Which HCPCS Level II release does this page use?
It uses CMS’s October 2026 release, in effect from Oct 1, 2026 to Dec 31, 2026. It is a reference: confirm the code against the current list and the payer’s rules before you submit it.
Codes beside G4018
All G codesG4012Interventional radiology mips specialty setG4013Mental/behavioral and psychiatry mips specialty setG4014Nephrology mips specialty setG4015Neurology mips specialty setG4016Neurosurgical mips specialty setG4017Nutrition/dietician mips specialty setG4019Oncology/hematology mips specialty setG4020Ophthalmology/optometry mips specialty setG4021Orthopedic surgery mips specialty setG4022Otolaryngology mips specialty setG4023Pathology mips specialty setG4024Pediatrics mips specialty set