ICD-10-CM · Chapter 18 · R00-R99
R85 Abnormal findings in specimens from digestive organs and abdominal cavity
Includes
- abnormal findings in peritoneal fluid
- abnormal findings in saliva
Excludes 1 (cannot be coded together)
- cloudy peritoneal dialysis effluent (R88.0)
- fecal abnormalities (R19.5)
Subcodes
Subcodes are listed below for reference. Detail pages are not available for chapters 11–22.
| Code | Description | Billable |
|---|---|---|
| R85..0 | Abnormal level of enzymes in specimens from digestive organs and abdominal cavity | Yes |
| R85..1 | Abnormal level of hormones in specimens from digestive organs and abdominal cavity | Yes |
| R85..2 | Abnormal level of other drugs, medicaments and biological substances in specimens from digestive organs and abdominal cavity | Yes |
| R85..3 | Abnormal level of substances chiefly nonmedicinal as to source in specimens from digestive organs and abdominal cavity | Yes |
| R85..4 | Abnormal immunological findings in specimens from digestive organs and abdominal cavity | Yes |
| R85..5 | Abnormal microbiological findings in specimens from digestive organs and abdominal cavity | Yes |
| R85..6 | Abnormal cytological findings in specimens from digestive organs and abdominal cavity | No |
| R85..61 | Abnormal cytologic smear of anus | No |
| R85..610 | Atypical squamous cells of undetermined significance on cytologic smear of anus (ASC-US) | Yes |
| R85..611 | Atypical squamous cells cannot exclude high grade squamous intraepithelial lesion on cytologic smear of anus (ASC-H) | Yes |
| R85..612 | Low grade squamous intraepithelial lesion on cytologic smear of anus (LGSIL) | Yes |
| R85..613 | High grade squamous intraepithelial lesion on cytologic smear of anus (HGSIL) | Yes |
| R85..614 | Cytologic evidence of malignancy on smear of anus | Yes |
| R85..615 | Unsatisfactory cytologic smear of anus | Yes |
| R85..616 | Satisfactory anal smear but lacking transformation zone | Yes |
| R85..618 | Other abnormal cytological findings on specimens from anus | Yes |
| R85..619 | Unspecified abnormal cytological findings in specimens from anus | Yes |
| R85..69 | Abnormal cytological findings in specimens from other digestive organs and abdominal cavity | Yes |
| R85..7 | Abnormal histological findings in specimens from digestive organs and abdominal cavity | Yes |
| R85..8 | Other abnormal findings in specimens from digestive organs and abdominal cavity | No |
| R85..81 | Anal high risk human papillomavirus (HPV) DNA test positive | Yes |
| R85..82 | Anal low risk human papillomavirus (HPV) DNA test positive | Yes |
| R85..89 | Other abnormal findings in specimens from digestive organs and abdominal cavity | Yes |
| R85..9 | Unspecified abnormal finding in specimens from digestive organs and abdominal cavity | Yes |
Last reviewed: September 2026