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A4252

Blood ketone test or strip

Blood ketone test or reagent strip, each

Code system
HCPCS Level II
Status
Active
Billable
Yes
In effect from
2008-01-01
Request
curl https://api.healthcare.dev/v1/codes/hcpcs/A4252 \
  -H "Authorization: Bearer $HDEV_API_KEY"
200 OK · application/json
{
  "data": {
    "code": "A4252",
    "parent": null,
    "status": "active",
    "system": "hcpcs",
    "display": "Blood ketone test or strip",
    "billable": true,
    "attributes": {
      "betos": "D1E",
      "coverage": "S",
      "action_code": "N",
      "type_of_service": "P",
      "pricing_indicator": "00",
      "action_effective_date": "2008-01-01"
    },
    "description": "Blood ketone test or reagent strip, each",
    "replaced_by": [],
    "effective_end": null,
    "effective_start": "2008-01-01",
    "care_categories": [
      "diabetes-supplies"
    ],
    "care_category_details": [
      {
        "slug": "diabetes-supplies",
        "name": "Diabetes supplies",
        "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 A4250-A4259"
          }
        ],
        "as_of": "2026-10-01T00:00:00.000Z"
      }
    ]
  },
  "meta": {
    "source": "cms-hcpcs",
    "data_version": "2026-10"
  }
}

CMS attributes

A4252 in the HCPCS file

betos
D1E
coverage
S
action code
N
type of service
P
pricing indicator
00
action effective date
2008-01-01

Change history

Lifecycle

A4252 has been in effect since 2008-01-01. 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 A4252 from code or an agent

curl
curl https://api.healthcare.dev/v1/codes/hcpcs/A4252 \
  -H "Authorization: Bearer $HDEV_API_KEY"
MCP prompt
Using the healthcare.dev MCP server, look up HCPCS Level II code A4252. 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.