ICD-10-CM diagnosis code
R85.7 Abnormal histological findings in specimens from digestive organs and abdominal cavity
- Billable
- Yes, a complete code (FY2026)
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Other codes in R85
21 complete codes in this category.
- R85.613High grade squamous intraepithelial lesion on cytologic smear of anus (HGSIL)
- R85.614Cytologic evidence of malignancy on smear of anus
- R85.615Unsatisfactory cytologic smear of anus
- R85.616Satisfactory anal smear but lacking transformation zone
- R85.618Other abnormal cytological findings on specimens from anus
- R85.619Unspecified abnormal cytological findings in specimens from anus
- R85.69Abnormal cytological findings in specimens from other digestive organs and abdominal cavity
- R85.7Abnormal histological findings in specimens from digestive organs and abdominal cavity
- R85.81Anal high risk human papillomavirus (HPV) DNA test positive
- R85.82Anal low risk human papillomavirus (HPV) DNA test positive
- R85.89Other abnormal findings in specimens from digestive organs and abdominal cavity
- R85.9Unspecified abnormal finding in specimens from digestive organs and abdominal cavity
Documentation tips
- Make sure the note supports every element of the title, “Abnormal histological findings in specimens from digestive organs and abdominal cavity”: each detail in it should be traceable to the history, examination or assessment.
- Code to the highest specificity the documentation supports. If a detail is missing from the note, add it to the note rather than choosing a less specific code by default.
- Check the Tabular List and official guidelines for instructional notes (“code first”, “use additional code”, Excludes1/Excludes2) that apply to R85.
The international WHO ICD-10 also has R85, with its inclusion and exclusion notes; titles and detail can differ from ICD-10-CM.
ICD-10-CM is developed by the National Center for Health Statistics (NCHS), Centers for Disease Control and Prevention, U.S. Department of Health and Human Services, and is based on the WHO ICD-10. Codes and titles are reproduced unchanged from the FY2026 code list (effective 1 October 2025). Their use here does not imply endorsement by CDC, HHS or the U.S. Government. Changes effective on or after 1 October 2026 may not be reflected yet; check the current release at cdc.gov or cms.gov before submitting claims.
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