---
id: "icd10cm"
kind: "datatype"
status: "draft"
is_pii: false
categories: ["medical"]
country: ["US"]
langs: ["en"]
quality: 80
url: "http://registry.apicrafter.io/datatype/icd10cm"
---

# ICD-10-CM code (`icd10cm`)

> **Draft.** Draft records have not been reviewed yet and may be incomplete or wrong; do not treat them as authoritative for legal or compliance decisions.

Diagnosis code in ICD-10-CM, the US clinical modification of ICD-10: a letter, two digits and up to four more characters after a dot. The CDC National Center for Health Statistics maintains it.

- Parent datatype: `icd10`
- Personal data (PII): no
- Categories: Medical/pharma identifiers (medical)
- Countries: United States (US)
- Languages: English (en)
- Classification: categorical

## Detection

Regular expression (Python `re`):

```
^[A-Z]\d{2}(?:\.[A-Z\d]{1,4})?$
```

## Examples

- `G47.52` — REM sleep behavior disorder
- `G71.2` — congenital merosin-deficient muscular dystrophy 1A

## Mappings

- bioregistry: `icd10cm`
- wikidata: `P4229`

## Sources

- wikipedia: <https://en.wikipedia.org/wiki/ICD-10_Clinical_Modification>
- wikidata: <https://www.wikidata.org/wiki/Property:P4229>

## Quality

Score 80/100. Missing: negative example, translation, detector coverage.

JSON: <http://registry.apicrafter.io/api/v1/datatypes/icd10cm.json> · Edit: <https://github.com/apicrafter/metacrafter-registry/edit/main/data/datatypes/US/medical/icd10cm.yaml>