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S81.052S

Open bite, left knee, sequela

Code system
ICD-10-CM
Status
Active
Billable
Yes
In effect from
2026-10-01
Request
curl https://api.healthcare.dev/v1/codes/icd10cm/S81.052S \
  -H "Authorization: Bearer $HDEV_API_KEY"
200 OK · application/json
{
  "data": {
    "code": "S81.052S",
    "parent": "S81.052",
    "status": "active",
    "system": "icd10cm",
    "display": "Open bite, left knee, sequela",
    "billable": true,
    "description": "Open bite, left knee, sequela",
    "replaced_by": [],
    "effective_end": null,
    "effective_start": "2026-10-01",
    "care_categories": [
      "cuts-and-open-wounds"
    ],
    "care_category_details": [
      {
        "slug": "cuts-and-open-wounds",
        "name": "Cuts, bites and open wounds",
        "confidence": 0.95,
        "derivation": "source_stated",
        "evidence": [
          {
            "url": "https://www.cms.gov/medicare/coding-billing/icd-10-codes",
            "anchor": "ICD-10-CM category S81"
          }
        ],
        "as_of": "2026-10-01T00:00:00.000Z"
      }
    ]
  },
  "meta": {
    "source": "cms-icd10",
    "data_version": "fy2027"
  }
}

Hierarchy

Where S81.052S sits

Parent codes

  1. S81Open wound of knee and lower leg
  2. S81.0Open wound of knee
  3. S81.05Open bite of knee
  4. S81.052Open bite, left knee

Child codes

None: S81.052S is a billable code at the most specific level.

Change history

Lifecycle

S81.052S has been in effect since 2026-10-01. This page shows ICD-10-CM release fy2027.

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 S81.052S from code or an agent

curl
curl https://api.healthcare.dev/v1/codes/icd10cm/S81.052S \
  -H "Authorization: Bearer $HDEV_API_KEY"
MCP prompt
Using the healthcare.dev MCP server, look up ICD-10-CM code S81.052S. Tell me what it means, whether it is billable, whether it is active, and list its parent and child codes.

Source: CMS and CDC NCHS, release fy2027. Public domain. Reference data, not medical or billing advice.