Inj zolbetuximab, 1 mg
Injection, zolbetuximab-clzb, 1 mg
This code is no longer in use: it was retired on 2025-07-01. No replacement code is listed here.
curl https://api.healthcare.dev/v1/codes/hcpcs/C9303 \ -H "Authorization: Bearer $HDEV_API_KEY"
{
"data": {
"code": "C9303",
"parent": null,
"status": "retired",
"system": "hcpcs",
"display": "Inj zolbetuximab, 1 mg",
"billable": false,
"attributes": {
"betos": "O1E",
"coverage": "D",
"action_code": "N",
"cross_reference": "J1326",
"type_of_service": "1",
"pricing_indicator": "53",
"action_effective_date": "2025-07-01"
},
"description": "Injection, zolbetuximab-clzb, 1 mg",
"replaced_by": [],
"effective_end": "2025-07-01",
"effective_start": "2025-04-01",
"care_categories": [
"medications-given-by-a-provider"
],
"care_category_details": [
{
"slug": "medications-given-by-a-provider",
"name": "Medications given by a provider",
"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 range C9000-C9999 (description)"
}
],
"as_of": "2026-10-01T00:00:00.000Z"
}
]
},
"meta": {
"source": "cms-hcpcs",
"data_version": "2026-10"
}
}CMS attributes
Change history
C9303 has been in effect since 2025-04-01 and was retired on 2025-07-01. 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/C9303 \ -H "Authorization: Bearer $HDEV_API_KEY"
Using the healthcare.dev MCP server, look up HCPCS Level II code C9303. 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.