Dysplasia of anus

**Inclusion terms:** - Anal intraepithelial neoplasia I and II (AIN I and II) (histologically confirmed) - Dysplasia of anus NOS - Mild and moderate dysplasia of anus (histologically confirmed)

**Excludes1:** - abnormal results from anal cytologic examination without histologic confirmation (R85.61-) - anal intraepithelial neoplasia III (D01.3) - carcinoma in situ of anus (D01.3) - HGSIL of anus (R85.613) - severe dysplasia of anus (D01.3)