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D01.3 Carcinoma in situ of anus and anal canal

Billable/Specific

Applicable To

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

Type 1 Excludes

  • 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)