Init/sub psych care add 30 m
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)
This code is no longer in use: it was retired on 2018-01-01. No replacement code is listed here.
curl https://api.healthcare.dev/v1/codes/hcpcs/G0504 \ -H "Authorization: Bearer $HDEV_API_KEY"
{
"data": {
"code": "G0504",
"parent": null,
"status": "retired",
"system": "hcpcs",
"display": "Init/sub psych care add 30 m",
"billable": false,
"attributes": {
"betos": "M5D",
"coverage": "C",
"action_code": "N",
"cross_reference": "99494",
"type_of_service": "1",
"pricing_indicator": "13",
"action_effective_date": "2018-01-01"
},
"description": "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)",
"replaced_by": [],
"effective_end": "2018-01-01",
"effective_start": "2017-01-01",
"care_categories": [
"doctor-visits"
],
"care_category_details": [
{
"slug": "doctor-visits",
"name": "Doctor and clinic visits",
"confidence": 0.9,
"derivation": "source_stated",
"evidence": [
{
"url": "https://www.cms.gov/medicare/coding-billing/healthcare-common-procedure-system/quarterly-update",
"anchor": "HCPCS Level II BETOS type of service M5D"
}
],
"as_of": "2026-10-01T00:00:00.000Z"
}
]
},
"meta": {
"source": "cms-hcpcs",
"data_version": "2026-10"
}
}CMS attributes
Change history
G0504 has been in effect since 2017-01-01 and was retired on 2018-01-01. This page shows HCPCS Level II release 2026-10.
Add as_of=YYYY-MM-DD to the request to get this code exactly as it was on a past date. The change feed (GET /v1/changes) lists what each release added, changed or retired across the whole dataset; a per-code change list isn't published yet.
Use it
curl https://api.healthcare.dev/v1/codes/hcpcs/G0504 \ -H "Authorization: Bearer $HDEV_API_KEY"
Using the healthcare.dev MCP server, look up HCPCS Level II code G0504. Tell me what it covers, whether it is active and since when, and any CMS attributes it has.
Source: CMS, release 2026-10. Public domain (D-series CDT codes excluded). Reference data, not medical or billing advice.