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L5991

Low pros ext osseo connector

Addition to lower extremity prostheses, osseointegrated external prosthetic connector

Code system
HCPCS Level II
Status
Active
Billable
Yes
In effect from
2023-10-01
Request
curl https://api.healthcare.dev/v1/codes/hcpcs/L5991 \
  -H "Authorization: Bearer $HDEV_API_KEY"
200 OK · application/json
{
  "data": {
    "code": "L5991",
    "parent": null,
    "status": "active",
    "system": "hcpcs",
    "display": "Low pros ext osseo connector",
    "billable": true,
    "attributes": {
      "betos": "D1F",
      "coverage": "C",
      "action_code": "N",
      "type_of_service": "P",
      "pricing_indicator": "38",
      "action_effective_date": "2023-10-01"
    },
    "description": "Addition to lower extremity prostheses, osseointegrated external prosthetic connector",
    "replaced_by": [],
    "effective_end": null,
    "effective_start": "2023-10-01",
    "care_categories": [
      "artificial-limbs"
    ],
    "care_category_details": [
      {
        "slug": "artificial-limbs",
        "name": "Artificial limbs and prosthetics",
        "confidence": 0.9,
        "derivation": "source_stated",
        "evidence": [
          {
            "url": "https://www.cms.gov/medicare/coding-billing/healthcare-common-procedure-system/quarterly-update",
            "anchor": "HCPCS Level II range L5000-L8499"
          }
        ],
        "as_of": "2026-10-01T00:00:00.000Z"
      }
    ]
  },
  "meta": {
    "source": "cms-hcpcs",
    "data_version": "2026-10"
  }
}

CMS attributes

L5991 in the HCPCS file

betos
D1F
coverage
C
action code
N
type of service
P
pricing indicator
38
action effective date
2023-10-01

Change history

Lifecycle

L5991 has been in effect since 2023-10-01. 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 L5991 from code or an agent

curl
curl https://api.healthcare.dev/v1/codes/hcpcs/L5991 \
  -H "Authorization: Bearer $HDEV_API_KEY"
MCP prompt
Using the healthcare.dev MCP server, look up HCPCS Level II code L5991. 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.