HCPCS Level II · Procedures and professional services (temporary)
G4001Diagnostic radiology mips specialty set
✓ Active
Source: CMS HCPCS quarterly update, October 2026. Page updated September 29, 2026.
About G4001
G4001 is an HCPCS Level II code in the G series (procedures and professional services (temporary)), describing diagnostic radiology mips specialty set.
It was added to HCPCS effective 01/01/2022.
Its Medicare coverage code is "C", meaning coverage is left to the Medicare contractor's judgment.
Details
- Short description
- Diagnostic rad ss
- Date added
- 01/01/2022
- Action effective
- 01/01/2022
- BETOS
- Z2
Related G40xx codes
- G4000Dermatology mips specialty set
- G4002Electrophysiology cardiac specialist mips specialty set
- G4003Emergency medicine mips specialty set
- G4004Endocrinology mips specialty set
- G4005Family medicine mips specialty set
- G4006Gastro-enterology mips specialty set
- G4007General surgery mips specialty set
- G4008Geriatrics mips specialty set
- G4009Hospitalists mips specialty set
- G4010Infectious disease mips specialty set
- G4011Internal medicine mips specialty set
- G4012Interventional radiology mips specialty set
Common questions about G4001
Is HCPCS G4001 still valid?
- Yes. G4001 is active in the CMS October 2026 HCPCS file.
Does Medicare cover G4001?
- Its coverage code is "C": coverage is left to the Medicare contractor's judgment. Check the local coverage determination for your region.