G0504 HCPCS Level II code: Initial or subsequent psychiatric collaborative care management, each additional 30 minutes in a calendar month of behavioral health care manager activities…

CMS terminated G0504: its last date of service was Dec 31, 2017. It stays here for looking up older claims; newer services need a current code.

Official description

G0504

Initial or subsequent psychiatric collaborative care management, each additional 30 minutes in a calendar month of behavioral health care manager activities, in consultation with a psychiatric consultant, and directed by the treating physician or other qualified health care professional (list separately in addition to code for primary procedure); (use g0504 in conjunction with g0502, g0503)

Short description: Init/sub psych care add 30 m

HCPCS · United States

Medicare details

The indicators CMS publishes with G0504 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
Cross-reference
See 99494
Added
Jan 1, 2017
Terminated after
Dec 31, 2017

Where G0504 sits

  1. 1G codesProcedures and professional services
  2. 2Terminated G0504Initial or subsequent psychiatric collaborative care management, each additional 30 minutes in a calendar month of behavioral health care manager activities, in consultation with a psychiatric consultant, and directed by the treating physician or other qualified health care professional (list separately in addition to code for primary procedure); (use g0504 in conjunction with g0502, g0503)

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

Is HCPCS code G0504 still valid?

No. CMS terminated G0504; its last date of service was Dec 31, 2017. It is listed for looking up services from before then. Use a current code for newer services.

Does Medicare cover G0504?

CMS lists G0504’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.

G0498Chemotherapy administration, intravenous infusion technique; initiation of infusion in the office/clinic setting using office/clinic pump/supplies, with continuation of the…G0499Hepatitis b screening in non-pregnant, high risk individual includes hepatitis b surface antigen (hbsag), antibodies to hbsag (anti-hbs) and antibodies to hepatitis b core…G0500Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports…G0501Resource-intensive services for patients for whom the use of specialized mobility-assistive technology (such as adjustable height chairs or tables, patient lift, and adjustable…G0502Initial psychiatric collaborative care management, first 70 minutes in the first calendar month of behavioral health care manager activities, in consultation with a psychiatric…G0503Subsequent psychiatric collaborative care management, first 60 minutes in a subsequent month of behavioral health care manager activities, in consultation with a psychiatric…G0505Cognition and functional assessment using standardized instruments with development of recorded care plan for the patient with cognitive impairment, history obtained from patient…G0506Comprehensive assessment of and care planning for patients requiring chronic care management services (list separately in addition to primary monthly care management service)G0507Care management services for behavioral health conditions, at least 20 minutes of clinical staff time, directed by a physician or other qualified health care professional, per…G0508Telehealth consultation, critical care, initial , physicians typically spend 60 minutes communicating with the patient and providers via telehealthG0509Telehealth consultation, critical care, subsequent, physicians typically spend 50 minutes communicating with the patient and providers via telehealthG0511Rural health clinic or federally qualified health center (rhc or fqhc) only, general care management, 20 minutes or more of clinical staff time for chronic care management…