Hist contraindications
Patient had history of at least one of the following contraindications any time during or before the measurement period: anaphylaxis due to tdap vaccine, anaphylaxis due to td vaccine or its components; encephalopathy due to tdap or td vaccination (post tetanus vaccination encephalitis, post diphtheria vaccination encephalitis or post pertussis vaccination encephalitis.)
This code is no longer in use: it was retired on 2021-01-01. No replacement code is listed here.
curl https://api.healthcare.dev/v1/codes/hcpcs/G2155 \ -H "Authorization: Bearer $HDEV_API_KEY"
{
"data": {
"code": "G2155",
"parent": null,
"status": "retired",
"system": "hcpcs",
"display": "Hist contraindications",
"billable": false,
"attributes": {
"betos": "Z2",
"coverage": "C",
"action_code": "N",
"type_of_service": "1",
"pricing_indicator": "00",
"action_effective_date": "2021-01-01"
},
"description": "Patient had history of at least one of the following contraindications any time during or before the measurement period: anaphylaxis due to tdap vaccine, anaphylaxis due to td vaccine or its components; encephalopathy due to tdap or td vaccination (post tetanus vaccination encephalitis, post diphtheria vaccination encephalitis or post pertussis vaccination encephalitis.)",
"replaced_by": [],
"effective_end": "2021-01-01",
"effective_start": "2020-01-01",
"care_categories": [
"vaccines"
],
"care_category_details": [
{
"slug": "vaccines",
"name": "Vaccines and immunizations",
"confidence": 0.85,
"derivation": "derived",
"evidence": [
{
"url": "https://www.cms.gov/medicare/coding-billing/healthcare-common-procedure-system/quarterly-update",
"anchor": "HCPCS Level II long description"
}
],
"as_of": "2026-10-01T00:00:00.000Z"
}
]
},
"meta": {
"source": "cms-hcpcs",
"data_version": "2026-10"
}
}CMS attributes
Change history
G2155 has been in effect since 2020-01-01 and was retired on 2021-01-01. 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/G2155 \ -H "Authorization: Bearer $HDEV_API_KEY"
Using the healthcare.dev MCP server, look up HCPCS Level II code G2155. 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.