E0440

curl https://api.healthcare.dev/v1/codes/hcpcs/E0440 \
  -H "Authorization: Bearer $HDEV_API_KEY"

{
  "data": {
    "code": "E0440",
    "parent": null,
    "status": "active",
    "system": "hcpcs",
    "display": "Oxygen system liquid station",
    "billable": true,
    "attributes": {
      "betos": "D1C",
      "coverage": "D",
      "action_code": "N",
      "type_of_service": "R",
      "pricing_indicator": "00",
      "action_effective_date": "1993-01-01"
    },
    "description": "Stationary liquid oxygen system, purchase; includes use of reservoir, contents indicator, regulator, flowmeter, humidifier, nebulizer, cannula or mask, and tubing",
    "replaced_by": [],
    "effective_end": null,
    "effective_start": "1986-01-01",
    "care_categories": [
      "oxygen-and-breathing-equipment"
    ],
    "care_category_details": [
      {
        "slug": "oxygen-and-breathing-equipment",
        "name": "Oxygen and breathing equipment",
        "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 E0424-E0487"
          }
        ],
        "as_of": "2026-10-01T00:00:00.000Z"
      }
    ]
  },
  "meta": {
    "source": "cms-hcpcs",
    "data_version": "2026-10"
  }
}