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E0439

Stationary liquid 02

Stationary liquid oxygen system, rental; includes container, contents, regulator, flowmeter, humidifier, nebulizer, cannula or mask, & tubing

Code system
HCPCS Level II
Status
Active
Billable
Yes
In effect from
1993-01-01
Request
curl https://api.healthcare.dev/v1/codes/hcpcs/E0439 \
  -H "Authorization: Bearer $HDEV_API_KEY"
200 OK · application/json
{
  "data": {
    "code": "E0439",
    "parent": null,
    "status": "active",
    "system": "hcpcs",
    "display": "Stationary liquid 02",
    "billable": true,
    "attributes": {
      "betos": "D1C",
      "coverage": "D",
      "action_code": "N",
      "type_of_service": "R",
      "pricing_indicator": "33",
      "action_effective_date": "2001-01-01"
    },
    "description": "Stationary liquid oxygen system, rental; includes container, contents, regulator, flowmeter, humidifier, nebulizer, cannula or mask, & tubing",
    "replaced_by": [],
    "effective_end": null,
    "effective_start": "1993-01-01",
    "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"
  }
}

CMS attributes

E0439 in the HCPCS file

betos
D1C
coverage
D
action code
N
type of service
R
pricing indicator
33
action effective date
2001-01-01

Change history

Lifecycle

E0439 has been in effect since 1993-01-01. 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 E0439 from code or an agent

curl
curl https://api.healthcare.dev/v1/codes/hcpcs/E0439 \
  -H "Authorization: Bearer $HDEV_API_KEY"
MCP prompt
Using the healthcare.dev MCP server, look up HCPCS Level II code E0439. 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.