D01.3 is a billable/specific diagnosis code from the 2025 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
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