ICD-10-CM R85.61: Abnormal cytologic smear of anus

ICD-10-CM Diagnosis Code (2025)

Official Description for R85.61

Abnormal cytologic smear of anus

Coding Notes & Guidelines for R85.61

Excludes1: Not Coded Here
  • 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 Included Here
  • anal high risk human papillomavirus (HPV) DNA test positive (R85.81)
  • anal low risk human papillomavirus (HPV) DNA test positive (R85.82)
Inclusion Terms

Inadequate sample of cytologic smear of anus

Inclusion Terms
  • Abnormal anal cytology NOS
  • Atypical glandular cells of anus NOS

Parent Code (Less Specific):

About ICD-10-CM Code R85.61 (Abnormal cytologic smear of anus)

ICD-10-CM code R85.61 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM R85.61 became effective on October 1, 2024.

This page provides detailed information about R85.61 - Abnormal cytologic smear of anus. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Abnormal cytologic smear of anus.