D01.3 is a billable/specific diagnosis code from the 2026 ICD-10-CM used to classify the following condition: Carcinoma in situ of anus and anal canal.
Inclusion term
Anal intraepithelial neoplasia III [AIN III]
Severe dysplasia of anus
Type 1 excludes
Versions
2026
No changes
2025
No changes
2024
No changes
2023
No changes
2022
No changes
2021
No changes
2020
No changes
2019
No changes
2018
No changes
2017
Code changed
Type 1 excludes
carcinoma in situ of anal margin (D04.5)carcinoma in situ of anal skin (D04.5)carcinoma in situ of perianal skin (D04.5)
- 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)
Inclusion term
- Anal intraepithelial neoplasia III [AIN III]
- Severe dysplasia of anus
2016
New code