G0535 – Patient navigational services, provided directly or by referral; including helping the patient to navigate health systems and identify care providers and supportive services, to build patient self-advocacy and communication skills with care providers, and to promote patient-driven action plans and goals; each additional 30 minutes of services (provision of the services by a medicare-enrolled opioid treatment program); (list separately in addition to each primary code)

HCPCS Level II code · G codes: Procedures / Professional Services (Temporary)

Active code Carrier judgment

HCPCS codeG0535
Long description
Patient navigational services, provided directly or by referral; including helping the patient to navigate health systems and identify care providers and supportive services, to build patient self-advocacy and communication skills with care providers, and to promote patient-driven action plans and goals; each additional 30 minutes of services (provision of the services by a medicare-enrolled opioid treatment program); (list separately in addition to each primary code)
Short description
Pt navigat svs direct/ref
Pricing indicator
13 Priced by the Medicare contractor (carrier)
Medicare coverage
C Carrier judgment – coverage decided by the Medicare contractor
BETOS category
M5D Specialist - other
Added
January 1, 2025
Last change
January 1, 2025 – No change

Frequently asked questions

What is HCPCS code G0535?

G0535 is a HCPCS Level II code for patient navigational services, provided directly or by referral; including helping the patient to navigate health systems and identify care providers and supportive services, to build patient self-advocacy and communication skills with care providers, and to promote patient-driven action plans and goals; each additional 30 minutes of services (provision of the services by a medicare-enrolled opioid treatment program); (list separately in addition to each primary code).

Does Medicare cover G0535?

The HCPCS file lists coverage code C: Carrier judgment – coverage decided by the Medicare contractor. Coverage and payment also depend on local coverage determinations and the patient’s plan.

Nearby G codes

Source: CMS HCPCS Level II quarterly file, October 2026. Reference only – check payer policy before billing.