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M1158

Pt hx immcomp prior/dur pd

Patient had history of immunocompromising conditions prior to or during the measurement period

Code system
HCPCS Level II
Status
Retired 2024-01-01
Billable
No
In effect from
2023-01-01

This code is no longer in use: it was retired on 2024-01-01. No replacement code is listed here.

Request
curl https://api.healthcare.dev/v1/codes/hcpcs/M1158 \
  -H "Authorization: Bearer $HDEV_API_KEY"
200 OK · application/json
{
  "data": {
    "code": "M1158",
    "parent": null,
    "status": "retired",
    "system": "hcpcs",
    "display": "Pt hx immcomp prior/dur pd",
    "billable": false,
    "attributes": {
      "betos": "Z2",
      "coverage": "C",
      "action_code": "N",
      "type_of_service": "1",
      "pricing_indicator": "00",
      "action_effective_date": "2024-01-01"
    },
    "description": "Patient had history of immunocompromising conditions prior to or during the measurement period",
    "replaced_by": [],
    "effective_end": "2024-01-01",
    "effective_start": "2023-01-01",
    "care_categories": [],
    "care_category_details": []
  },
  "meta": {
    "source": "cms-hcpcs",
    "data_version": "2026-10"
  }
}

CMS attributes

M1158 in the HCPCS file

betos
Z2
coverage
C
action code
N
type of service
1
pricing indicator
00
action effective date
2024-01-01

Change history

Lifecycle

M1158 has been in effect since 2023-01-01 and was retired on 2024-01-01. 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

Look up M1158 from code or an agent

curl
curl https://api.healthcare.dev/v1/codes/hcpcs/M1158 \
  -H "Authorization: Bearer $HDEV_API_KEY"
MCP prompt
Using the healthcare.dev MCP server, look up HCPCS Level II code M1158. 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.