ICD-10-CM Book 2025 Edition

Chapters ICD-10-CM Book Table of Content /
chapter 2 C00-D49 Neoplasms /
D00-D09 In situ neoplasms /
D01 Carcinoma in situ of other and unspecified digestive organs

  Billable ICD-10-CM Code D01.3
D01.3
Carcinoma in situ of anus and anal canal
Anal intraepithelial neoplasia III [AIN III]
Severe dysplasia of anus
excludes1
anal intraepithelial neoplasia I and II [AIN I and AIN II] (K62.82)
carcinoma in situ of anal margin (D04.5)
carcinoma in situ of anal skin (D04.5)
carcinoma in situ of perianal skin (D04.5)