R85.61
Non-billableAbnormal cytologic smear of anus
R85.61 is the ICD-10-CM code for Abnormal cytologic smear of anus. It is a non-billable category code — use a more specific child code such as R85.610 for billing.
R00-R99 Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified
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
Frequently asked questions
- What is ICD-10 code R85.61?
- R85.61 is the ICD-10-CM code for "Abnormal cytologic smear of anus". It falls under R00-R99 Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified.
- Is R85.61 a billable code?
- No — R85.61 is a non-billable header code. Use a more specific child code (such as R85.610) for billing.
- What are the subcodes of R85.61?
- R85.61 has 9 more specific child codes, including R85.610, R85.611, R85.612.
- What is excluded from 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).
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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