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T21.59XD

Corrosion of first degree of oth site of trunk, subs encntr

Corrosion of first degree of other site of trunk, subsequent encounter

Code system
ICD-10-CM
Status
Active
Billable
Yes
In effect from
2026-10-01
Request
curl https://api.healthcare.dev/v1/codes/icd10cm/T21.59XD \
  -H "Authorization: Bearer $HDEV_API_KEY"
200 OK · application/json
{
  "data": {
    "code": "T21.59XD",
    "parent": "T21.59",
    "status": "active",
    "system": "icd10cm",
    "display": "Corrosion of first degree of oth site of trunk, subs encntr",
    "billable": true,
    "description": "Corrosion of first degree of other site of trunk, subsequent encounter",
    "replaced_by": [],
    "effective_end": null,
    "effective_start": "2026-10-01",
    "care_categories": [
      "burns"
    ],
    "care_category_details": [
      {
        "slug": "burns",
        "name": "Burns",
        "confidence": 0.95,
        "derivation": "source_stated",
        "evidence": [
          {
            "url": "https://www.cms.gov/medicare/coding-billing/icd-10-codes",
            "anchor": "ICD-10-CM block T20-T32"
          }
        ],
        "as_of": "2026-10-01T00:00:00.000Z"
      }
    ]
  },
  "meta": {
    "source": "cms-icd10",
    "data_version": "fy2027"
  }
}

Hierarchy

Where T21.59XD sits

Parent codes

  1. T21Burn and corrosion of trunk
  2. T21.5Corrosion of first degree of trunk
  3. T21.59Corrosion of first degree of other site of trunk

Child codes

None: T21.59XD is a billable code at the most specific level.

Change history

Lifecycle

T21.59XD 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 T21.59XD from code or an agent

curl
curl https://api.healthcare.dev/v1/codes/icd10cm/T21.59XD \
  -H "Authorization: Bearer $HDEV_API_KEY"
MCP prompt
Using the healthcare.dev MCP server, look up ICD-10-CM code T21.59XD. 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.