R85: Abnormal findings in specimens from digestive organs and abdominal cavity

Codes under R85 (Abnormal findings in specimens from digestive organs and abdominal cavity). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.

Code	Description	Billable
R85.0	Abnormal level of enzymes in specimens from digestive organs and abdominal cavity	✓
R85.1	Abnormal level of hormones in specimens from digestive organs and abdominal cavity	✓
R85.2	Abnormal level of other drugs, medicaments and biological substances in specimens from digestive organs and abdominal cavity	✓
R85.3	Abnormal level of substances chiefly nonmedicinal as to source in specimens from digestive organs and abdominal cavity	✓
R85.4	Abnormal immunological findings in specimens from digestive organs and abdominal cavity	✓
R85.5	Abnormal microbiological findings in specimens from digestive organs and abdominal cavity	✓
R85.6	Abnormal cytological findings in specimens from digestive organs and abdominal cavity	—
R85.7	Abnormal histological findings in specimens from digestive organs and abdominal cavity	✓
R85.8	Other abnormal findings in specimens from digestive organs and abdominal cavity	—
R85.9	Unspecified abnormal finding in specimens from digestive organs and abdominal cavity	✓
R85.61	Abnormal cytologic smear of anus	—
R85.69	Abnormal cytological findings in specimens from other digestive organs and abdominal cavity	✓
R85.81	Anal high risk human papillomavirus (HPV) DNA test positive	✓
R85.82	Anal low risk human papillomavirus (HPV) DNA test positive	✓
R85.89	Other abnormal findings in specimens from digestive organs and abdominal cavity	✓
R85.610	Atypical squamous cells of undetermined significance on cytologic smear of anus (ASC-US)	✓
R85.611	Atypical squamous cells cannot exclude high grade squamous intraepithelial lesion on cytologic smear of anus (ASC-H)	✓
R85.612	Low grade squamous intraepithelial lesion on cytologic smear of anus (LGSIL)	✓
R85.613	High grade squamous intraepithelial lesion on cytologic smear of 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	Unspecified abnormal cytological findings in specimens from anus	✓

More free billing tools: all ICD-10 categories · ICD-10 search · denial codes · Medicare fees

Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.

Code the diagnosis right