2E61.2 Carcinoma in situ of anal canal
International Classification of Diseases for Mortality and Morbidity Statistics, 11th Revision, v2025-01
Malignant epithelial tumour that has not invaded beyond the epithelium of the anal canal.
exclusions
- Carcinoma in situ of anal margin (2E64.2)
- Carcinoma in situ of anal skin (2E64)
- Carcinoma in situ of perianal skin (2E64.2)
postcoordination
Add Stem and/or Extension codes to form a cluster code which adds detail to the condition.
synonyms
- Carcinoma in situ of anal canal
- intraepithelial neoplasia (dysplasia) of anal canal, high grade
- AIN - [anal intraepithelial neoplasia] high grade
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