Pre and post vas wthn 3 mos
Back pain was measured by the visual analog scale (vas) within three months preoperatively and at three months (6 - 20 weeks) postoperatively
This code is no longer in use: it was retired on 2020-01-01. No replacement code is listed here.
curl https://api.healthcare.dev/v1/codes/hcpcs/G9941 \ -H "Authorization: Bearer $HDEV_API_KEY"
{
"data": {
"code": "G9941",
"parent": null,
"status": "retired",
"system": "hcpcs",
"display": "Pre and post vas wthn 3 mos",
"billable": false,
"attributes": {
"betos": "Z2",
"coverage": "C",
"action_code": "N",
"type_of_service": "1",
"pricing_indicator": "00",
"action_effective_date": "2020-01-01"
},
"description": "Back pain was measured by the visual analog scale (vas) within three months preoperatively and at three months (6 - 20 weeks) postoperatively",
"replaced_by": [],
"effective_end": "2020-01-01",
"effective_start": "2018-01-01",
"care_categories": [],
"care_category_details": []
},
"meta": {
"source": "cms-hcpcs",
"data_version": "2026-10"
}
}CMS attributes
Change history
G9941 has been in effect since 2018-01-01 and was retired on 2020-01-01. 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/G9941 \ -H "Authorization: Bearer $HDEV_API_KEY"
Using the healthcare.dev MCP server, look up HCPCS Level II code G9941. 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.