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S9537

Ht hem horm inj diem

Home therapy; hematopoietic hormone injection therapy (e.g., erythropoietin, g-csf, gm-csf); administrative services, professional pharmacy services, care coordination, and all necessary supplies and equipment (drugs and nursing visits coded separately), per diem

Code system
HCPCS Level II
Status
Active
Billable
Yes
In effect from
2002-01-01
Request
curl https://api.healthcare.dev/v1/codes/hcpcs/S9537 \
  -H "Authorization: Bearer $HDEV_API_KEY"
200 OK · application/json
{
  "data": {
    "code": "S9537",
    "parent": null,
    "status": "active",
    "system": "hcpcs",
    "display": "Ht hem horm inj diem",
    "billable": true,
    "attributes": {
      "betos": "Z2",
      "coverage": "I",
      "action_code": "N",
      "type_of_service": "9",
      "pricing_indicator": "00",
      "action_effective_date": "2002-01-01"
    },
    "description": "Home therapy; hematopoietic hormone injection therapy (e.g., erythropoietin, g-csf, gm-csf); administrative services, professional pharmacy services, care coordination, and all necessary supplies and equipment (drugs and nursing visits coded separately), per diem",
    "replaced_by": [],
    "effective_end": null,
    "effective_start": "2002-01-01",
    "care_categories": [
      "home-infusion-therapy"
    ],
    "care_category_details": [
      {
        "slug": "home-infusion-therapy",
        "name": "Home infusion therapy",
        "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 S9537-S9810"
          }
        ],
        "as_of": "2026-10-01T00:00:00.000Z"
      }
    ]
  },
  "meta": {
    "source": "cms-hcpcs",
    "data_version": "2026-10"
  }
}

CMS attributes

S9537 in the HCPCS file

betos
Z2
coverage
I
action code
N
type of service
9
pricing indicator
00
action effective date
2002-01-01

Change history

Lifecycle

S9537 has been in effect since 2002-01-01. 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 S9537 from code or an agent

curl
curl https://api.healthcare.dev/v1/codes/hcpcs/S9537 \
  -H "Authorization: Bearer $HDEV_API_KEY"
MCP prompt
Using the healthcare.dev MCP server, look up HCPCS Level II code S9537. 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.