Asparaginase, nos
Injection, asparaginase, not otherwise specified, 10,000 units
This code is no longer in use: it was retired on 2026-01-01. No replacement code is listed here.
curl https://api.healthcare.dev/v1/codes/hcpcs/J9020 \ -H "Authorization: Bearer $HDEV_API_KEY"
{
"data": {
"code": "J9020",
"parent": null,
"status": "retired",
"system": "hcpcs",
"display": "Asparaginase, nos",
"billable": false,
"attributes": {
"betos": "O1D",
"coverage": "D",
"action_code": "N",
"type_of_service": "1",
"pricing_indicator": "51",
"action_effective_date": "2026-01-01"
},
"description": "Injection, asparaginase, not otherwise specified, 10,000 units",
"replaced_by": [],
"effective_end": "2026-01-01",
"effective_start": "1984-01-01",
"care_categories": [
"chemotherapy"
],
"care_category_details": [
{
"slug": "chemotherapy",
"name": "Chemotherapy and cancer medicines",
"confidence": 0.95,
"derivation": "source_stated",
"evidence": [
{
"url": "https://www.cms.gov/medicare/coding-billing/healthcare-common-procedure-system/quarterly-update",
"anchor": "HCPCS Level II range J9000-J9999"
}
],
"as_of": "2026-10-01T00:00:00.000Z"
}
]
},
"meta": {
"source": "cms-hcpcs",
"data_version": "2026-10"
}
}CMS attributes
Change history
J9020 has been in effect since 1984-01-01 and was retired on 2026-01-01. 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/J9020 \ -H "Authorization: Bearer $HDEV_API_KEY"
Using the healthcare.dev MCP server, look up HCPCS Level II code J9020. 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.