HCPCS Level II · Procedures and professional services (temporary)
G0146Principal illness navigation - peer support, additional 30 minutes per calendar month (list separately in addition to g0140)
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Source: CMS HCPCS quarterly update, October 2026. Page updated September 29, 2026.
About G0146
G0146 is an HCPCS Level II code in the G series (procedures and professional services (temporary)), describing principal illness navigation - peer support, additional 30 minutes per calendar month (list separately in addition to g0140).
It was added to HCPCS effective 01/01/2024.
Its Medicare coverage code is "C", meaning coverage is left to the Medicare contractor's judgment.
Details
- Short description
- Nav srv peer sup add 30 pr m
- Date added
- 01/01/2024
- Action effective
- 01/01/2024
- BETOS
- M5D
Related G01xx codes
- G0101Cervical or vaginal cancer screening; pelvic and clinical breast examination
- G0102Prostate cancer screening; digital rectal examination
- G0103Prostate cancer screening; prostate specific antigen test (psa)
- G0104Colorectal cancer screening; flexible sigmoidoscopy
- G0105Colorectal cancer screening; colonoscopy on individual at high risk
- G0108Diabetes outpatient self-management training services, individual, per 30 minutes
- G0109Diabetes outpatient self-management training services, group session (2 or more), per 30 minutes
- G0117Glaucoma screening for high risk patients furnished by an optometrist or ophthalmologist
- G0118Glaucoma screening for high risk patient furnished under the direct supervision of an optometrist or ophthalmologist
- G0121Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk
- G0123Screening cytopathology, cervical or vaginal (any reporting system), collected in preservative fluid, automated thin layer preparation, screening by cytotechnologist under physician supervision
- G0124Screening cytopathology, cervical or vaginal (any reporting system), collected in preservative fluid, automated thin layer preparation, requiring interpretation by physician
Common questions about G0146
Is HCPCS G0146 still valid?
- Yes. G0146 is active in the CMS October 2026 HCPCS file.
Does Medicare cover G0146?
- Its coverage code is "C": coverage is left to the Medicare contractor's judgment. Check the local coverage determination for your region.