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D01.3Carcinoma in situ of anus and anal canal

ICD-10-CM billable/specific code — part of In situ neoplasms (D00-D09)

Code Details

BillableYes
ChapterChapter 2: Neoplasms (C00-D49)
SectionIn situ neoplasms (D00-D09)
Parent codeD01 — Carcinoma in situ of other and unspecified digestive organs

Coding Notes

Inclusion Terms

  • Anal intraepithelial neoplasia III [AIN III]
  • Severe dysplasia of anus

Excludes1 (never code both together)

  • 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)
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