Hinge ext/flex wrist finger
Wrist hand finger orthosis, dynamic flexor hinge, reciprocal wrist extension/ flexion, finger flexion/extension, cable driven, custom fabricated
curl https://api.healthcare.dev/v1/codes/hcpcs/L3901 \ -H "Authorization: Bearer $HDEV_API_KEY"
{
"data": {
"code": "L3901",
"parent": null,
"status": "active",
"system": "hcpcs",
"display": "Hinge ext/flex wrist finger",
"billable": true,
"attributes": {
"betos": "D1F",
"coverage": "C",
"action_code": "N",
"type_of_service": "P",
"pricing_indicator": "38",
"action_effective_date": "2001-01-01"
},
"description": "Wrist hand finger orthosis, dynamic flexor hinge, reciprocal wrist extension/ flexion, finger flexion/extension, cable driven, custom fabricated",
"replaced_by": [],
"effective_end": null,
"effective_start": "1984-01-01",
"care_categories": [
"braces-and-orthotics"
],
"care_category_details": [
{
"slug": "braces-and-orthotics",
"name": "Braces and orthotics",
"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 L0100-L4999"
}
],
"as_of": "2026-10-01T00:00:00.000Z"
}
]
},
"meta": {
"source": "cms-hcpcs",
"data_version": "2026-10"
}
}CMS attributes
Change history
L3901 has been in effect since 1984-01-01. 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
curl https://api.healthcare.dev/v1/codes/hcpcs/L3901 \ -H "Authorization: Bearer $HDEV_API_KEY"
Using the healthcare.dev MCP server, look up HCPCS Level II code L3901. 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.