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A9579

Gad-base mr contrast nos,1ml

Injection, gadolinium-based magnetic resonance contrast agent, not otherwise specified (nos), per ml

Code system
HCPCS Level II
Status
Active
Billable
Yes
In effect from
2008-01-01
Request
curl https://api.healthcare.dev/v1/codes/hcpcs/A9579 \
  -H "Authorization: Bearer $HDEV_API_KEY"
200 OK · application/json
{
  "data": {
    "code": "A9579",
    "parent": null,
    "status": "active",
    "system": "hcpcs",
    "display": "Gad-base mr contrast nos,1ml",
    "billable": true,
    "attributes": {
      "betos": "I1E",
      "coverage": "C",
      "action_code": "N",
      "type_of_service": "4",
      "pricing_indicator": "51",
      "action_effective_date": "2008-01-01"
    },
    "description": "Injection, gadolinium-based magnetic resonance contrast agent, not otherwise specified (nos), per ml",
    "replaced_by": [],
    "effective_end": null,
    "effective_start": "2008-01-01",
    "care_categories": [
      "imaging-agents"
    ],
    "care_category_details": [
      {
        "slug": "imaging-agents",
        "name": "Imaging and contrast agents",
        "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 A9500-A9700"
          }
        ],
        "as_of": "2026-10-01T00:00:00.000Z"
      }
    ]
  },
  "meta": {
    "source": "cms-hcpcs",
    "data_version": "2026-10"
  }
}

CMS attributes

A9579 in the HCPCS file

betos
I1E
coverage
C
action code
N
type of service
4
pricing indicator
51
action effective date
2008-01-01

Change history

Lifecycle

A9579 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 A9579 from code or an agent

curl
curl https://api.healthcare.dev/v1/codes/hcpcs/A9579 \
  -H "Authorization: Bearer $HDEV_API_KEY"
MCP prompt
Using the healthcare.dev MCP server, look up HCPCS Level II code A9579. 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.