Ko single upright pre ots
Knee orthosis (ko), single upright, thigh and calf, with adjustable flexion and extension joint (unicentric or polycentric), medial-lateral and rotation control, with or without varus/valgus adjustment, prefabricated, off-the-shelf
This code is no longer in use: it was retired on 2017-01-01. No replacement code is listed here.
curl https://api.healthcare.dev/v1/codes/hcpcs/K0901 \ -H "Authorization: Bearer $HDEV_API_KEY"
{
"data": {
"code": "K0901",
"parent": null,
"status": "retired",
"system": "hcpcs",
"display": "Ko single upright pre ots",
"billable": false,
"attributes": {
"betos": "D1F",
"coverage": "C",
"action_code": "N",
"cross_reference": "L1851",
"type_of_service": "P",
"pricing_indicator": "38",
"action_effective_date": "2017-01-01"
},
"description": "Knee orthosis (ko), single upright, thigh and calf, with adjustable flexion and extension joint (unicentric or polycentric), medial-lateral and rotation control, with or without varus/valgus adjustment, prefabricated, off-the-shelf",
"replaced_by": [],
"effective_end": "2017-01-01",
"effective_start": "2014-10-01",
"care_categories": [
"medical-equipment"
],
"care_category_details": [
{
"slug": "medical-equipment",
"name": "Medical equipment and supplies",
"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 K0000-K9999"
}
],
"as_of": "2026-10-01T00:00:00.000Z"
}
]
},
"meta": {
"source": "cms-hcpcs",
"data_version": "2026-10"
}
}CMS attributes
Change history
K0901 has been in effect since 2014-10-01 and was retired on 2017-01-01. 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/K0901 \ -H "Authorization: Bearer $HDEV_API_KEY"
Using the healthcare.dev MCP server, look up HCPCS Level II code K0901. 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.