No pdc 75% w/asth cont med
Patient did not achieve a pdc of at least 75% for their asthma controller medication
This code is no longer in use: it was retired on 2023-01-01. No replacement code is listed here.
curl https://api.healthcare.dev/v1/codes/hcpcs/G9811 \ -H "Authorization: Bearer $HDEV_API_KEY"
{
"data": {
"code": "G9811",
"parent": null,
"status": "retired",
"system": "hcpcs",
"display": "No pdc 75% w/asth cont med",
"billable": false,
"attributes": {
"betos": "Z2",
"coverage": "C",
"action_code": "N",
"type_of_service": "1",
"pricing_indicator": "00",
"action_effective_date": "2023-01-01"
},
"description": "Patient did not achieve a pdc of at least 75% for their asthma controller medication",
"replaced_by": [],
"effective_end": "2023-01-01",
"effective_start": "2017-01-01",
"care_categories": [],
"care_category_details": []
},
"meta": {
"source": "cms-hcpcs",
"data_version": "2026-10"
}
}CMS attributes
Change history
G9811 has been in effect since 2017-01-01 and was retired on 2023-01-01. 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/G9811 \ -H "Authorization: Bearer $HDEV_API_KEY"
Using the healthcare.dev MCP server, look up HCPCS Level II code G9811. 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.