ICD-10-CM
ICD-10 code for ASC-H (atypical squamous cells cannot exclude high grade squamous intraepithelial lesion on cytologic smear) anus: R85.611
The ICD-10-CM index points "ASC-H (atypical squamous cells cannot exclude high grade squamous intraepithelial lesion on cytologic smear) anus" to R85.611, Atypical squamous cells cannot exclude high grade squamous intraepithelial lesion on cytologic smear of anus (ASC-H). R85.611 is a billable code.
Source: CDC ICD-10-CM FY2027 Alphabetic Index file dated June 16, 2026. Publisher page
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More specific codes in R85
A header groups codes and is not billed. A billable code is one you can report.
- R85Abnormal findings in specimens from digestive organs and abdominal cavityHeader
- R85.0Abnormal level of enzymes in specimens from digestive organs and abdominal cavityBillable
- R85.1Abnormal level of hormones in specimens from digestive organs and abdominal cavityBillable
- R85.2Abnormal level of other drugs, medicaments and biological substances in specimens from digestive organs and abdominal cavityBillable
- R85.3Abnormal level of substances chiefly nonmedicinal as to source in specimens from digestive organs and abdominal cavityBillable
- R85.4Abnormal immunological findings in specimens from digestive organs and abdominal cavityBillable
- R85.5Abnormal microbiological findings in specimens from digestive organs and abdominal cavityBillable
- R85.6Abnormal cytological findings in specimens from digestive organs and abdominal cavityHeader
- R85.61Abnormal cytologic smear of anusHeader
- R85.610Atypical squamous cells of undetermined significance on cytologic smear of anus (ASC-US)Billable
- R85.611Atypical squamous cells cannot exclude high grade squamous intraepithelial lesion on cytologic smear of anus (ASC-H)Billable
- R85.612Low grade squamous intraepithelial lesion on cytologic smear of anus (LGSIL)Billable
- R85.613High grade squamous intraepithelial lesion on cytologic smear of anus (HGSIL)Billable
- R85.614Cytologic evidence of malignancy on smear of anusBillable
- R85.615Unsatisfactory cytologic smear of anusBillable
- R85.616Satisfactory anal smear but lacking transformation zoneBillable
- R85.618Other abnormal cytological findings on specimens from anusBillable
- R85.619Unspecified abnormal cytological findings in specimens from anusBillable
- R85.69Abnormal cytological findings in specimens from other digestive organs and abdominal cavityBillable
- R85.7Abnormal histological findings in specimens from digestive organs and abdominal cavityBillable
- R85.8Other abnormal findings in specimens from digestive organs and abdominal cavityHeader
- R85.81Anal high risk human papillomavirus (HPV) DNA test positiveBillable
- R85.82Anal low risk human papillomavirus (HPV) DNA test positiveBillable
- R85.89Other abnormal findings in specimens from digestive organs and abdominal cavityBillable
- R85.9Unspecified abnormal finding in specimens from digestive organs and abdominal cavityBillable
Excludes1
Excludes1 means these codes are not reported together.
From R85.61. A note on a category applies to every code under it.
- R85.69Abnormal cytological findings in specimens from other digestive organs and abdominal cavity
- D01.3Carcinoma in situ of anus (histologically confirmed)
- K62.82Anal intraepithelial neoplasia I [AIN I]
- K62.82Anal intraepithelial neoplasia II [AIN II]
- D01.3Anal intraepithelial neoplasia III [AIN III]
- K62.82Dysplasia (mild) (moderate) of anus (histologically confirmed)
- D01.3Severe dysplasia of anus (histologically confirmed)
From R85. A note on a category applies to every code under it.
Excludes2
Excludes2 means the other condition can be reported with this one when both are documented.
From R85.61. A note on a category applies to every code under it.
Related conditions
Related pages
- R85.611 code detailsNotes, nearby codes, CMS-HCC group
- Category R85Every code under it
- Chapter 18Symptoms, signs and abnormal clinical findings
- ICD-10 codes by conditionA to Z
- Check a list of ICD-10 codes
- Denial code CO-11Diagnosis does not support the procedure
- Denial code CO-146Diagnosis invalid for the date of service
- HCPCS Level II code lookup
Questions
What is the ICD-10 code for ASC-H (atypical squamous cells cannot exclude high grade squamous intraepithelial lesion on cytologic smear) anus?
The ICD-10-CM index points "ASC-H (atypical squamous cells cannot exclude high grade squamous intraepithelial lesion on cytologic smear) anus" to R85.611, Atypical squamous cells cannot exclude high grade squamous intraepithelial lesion on cytologic smear of anus (ASC-H). R85.611 is a billable code.
Is R85.611 billable?
Yes. R85.611 is a billable code in the FY2027 ICD-10-CM file. Use a more specific code when the record documents one.
What documentation notes apply to R85.611?
The CDC tabular list gives 9 Excludes1 notes (not coded together), 2 Excludes2 notes (may be coded together when both are documented) for R85.611 and the categories above it. They are listed on this page.
What chapter is R85.611 in?
Chapter 18. Symptoms, signs and abnormal clinical findings.
When do ICD-10-CM codes change?
Every October 1, with the new fiscal year file. Some years add April 1 updates. This page uses the FY2027 file, effective October 1, 2026.