Onc dx cml dx status unknown
Oncology; disease status; chronic myelogenous leukemia, limited to philadelphia chromosome positive and/or bcr-abl positive; extent of disease unknown, staging in progress, not listed (for use in a medicare-approved demonstration project)
curl https://api.healthcare.dev/v1/codes/hcpcs/G9139 \ -H "Authorization: Bearer $HDEV_API_KEY"
{
"data": {
"code": "G9139",
"parent": null,
"status": "active",
"system": "hcpcs",
"display": "Onc dx cml dx status unknown",
"billable": true,
"attributes": {
"betos": "P7B",
"coverage": "C",
"action_code": "N",
"type_of_service": "1",
"pricing_indicator": "00",
"action_effective_date": "2007-01-01"
},
"description": "Oncology; disease status; chronic myelogenous leukemia, limited to philadelphia chromosome positive and/or bcr-abl positive; extent of disease unknown, staging in progress, not listed (for use in a medicare-approved demonstration project)",
"replaced_by": [],
"effective_end": null,
"effective_start": "2007-01-01",
"care_categories": [],
"care_category_details": []
},
"meta": {
"source": "cms-hcpcs",
"data_version": "2026-10"
}
}CMS attributes
Change history
G9139 has been in effect since 2007-01-01. 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/G9139 \ -H "Authorization: Bearer $HDEV_API_KEY"
Using the healthcare.dev MCP server, look up HCPCS Level II code G9139. 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.