G0146 HCPCS Level II code: Principal illness navigation - peer support, additional 30 minutes per calendar month (list separately in addition to g0140)
G0146 is the HCPCS code for “Principal illness navigation - peer support, additional 30 minutes per calendar month (list separately in addition to g0140)” in CMS’s October 2026 release, in effect from Oct 1, 2026.
Official description
G0146Principal illness navigation - peer support, additional 30 minutes per calendar month (list separately in addition to g0140)
Short description: Nav srv peer sup add 30 pr m
HCPCS · United States
Medicare details
The indicators CMS publishes with G0146 in its October 2026 file. They describe Medicare’s handling, not another payer’s.
- Medicare coverage
- Carrier judgment
- Medicare pricing
- Physician fee schedule – Price established by carriers (e.g., not otherwise classified, individual determination, carrier discretion)
- Type of service
- Medical care
- BETOS category
- Specialist - other
- Added
- Jan 1, 2024
Where G0146 sits
- 1G codesProcedures and professional services
- 2Active code G0146Principal illness navigation - peer support, additional 30 minutes per calendar month (list separately in addition to g0140)
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 G0146 mean?
G0146 is the HCPCS code for “Principal illness navigation - peer support, additional 30 minutes per calendar month (list separately in addition to g0140)” in CMS’s HCPCS Level II October 2026 release.
Does Medicare cover G0146?
CMS lists G0146’s Medicare coverage as “Carrier judgment” and its pricing as “Physician fee schedule – Price established by carriers (e.g., not otherwise classified, individual determination, carrier discretion)”. 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 G0146
All G codesG0138Intravenous infusion of cipaglucosidase alfa-atga, including provider/supplier acquisition and clinical supervision of oral administration of miglustat in preparation of receipt…G0140Principal illness navigation - peer support by certified or trained auxiliary personnel under the direction of a physician or other practitioner, including a certified peer…G0141Screening cytopathology smears, cervical or vaginal, performed by automated system, with manual rescreening, requiring interpretation by physicianG0143Screening cytopathology, cervical or vaginal (any reporting system), collected in preservative fluid, automated thin layer preparation, with manual screening and rescreening by…G0144Screening cytopathology, cervical or vaginal (any reporting system), collected in preservative fluid, automated thin layer preparation, with screening by automated system, under…G0145Screening cytopathology, cervical or vaginal (any reporting system), collected in preservative fluid, automated thin layer preparation, with screening by automated system and…G0147Screening cytopathology smears, cervical or vaginal, performed by automated system under physician supervisionG0148Screening cytopathology smears, cervical or vaginal, performed by automated system with manual rescreeningG0151Services performed by a qualified physical therapist in the home health or hospice setting, each 15 minutesG0152Services performed by a qualified occupational therapist in the home health or hospice setting, each 15 minutesG0153Services performed by a qualified speech-language pathologist in the home health or hospice setting, each 15 minutesG0154Direct skilled nursing services of a licensed nurse (lpn or rn) in the home health or hospice setting, each 15 minutes