R85.61Abnormal cytologic smear of anus
ICD-10-CM category (non-billable header) code — part of Abnormal findings on examination of other body fluids, substances and tissues, without diagnosis (R83-R89)
Coding Notes
Excludes1 (never code both together)
- abnormal cytological findings in specimens from other digestive organs and abdominal cavity (R85.69)
- carcinoma in situ of anus (histologically confirmed) (D01.3)
- anal intraepithelial neoplasia I [AIN I] (K62.82)
- anal intraepithelial neoplasia II [AIN II] (K62.82)
- anal intraepithelial neoplasia III [AIN III] (D01.3)
- dysplasia (mild) (moderate) of anus (histologically confirmed) (K62.82)
- severe dysplasia of anus (histologically confirmed) (D01.3)
Excludes2 (not part of this condition — may code both)
- anal high risk human papillomavirus (HPV) DNA test positive (R85.81)
- anal low risk human papillomavirus (HPV) DNA test positive (R85.82)
Subcategories (9)
- R85.610 Atyp squam cell of undet signfc cyto smr anus (ASC-US)
- R85.611 Atyp squam cell not excl hi grd intrepith lesn cyto smr anus
- R85.612 Low grade intrepith lesion cyto smr anus (LGSIL)
- R85.613 High grade intrepith lesion cyto smr anus (HGSIL)
- R85.614 Cytologic evidence of malignancy on smear of anus
- R85.615 Unsatisfactory cytologic smear of anus
- R85.616 Satisfactory anal smear but lacking transformation zone
- R85.618 Other abnormal cytological findings on specimens from anus
- R85.619 Unsp abnormal cytological findings in specimens from anus