R85.3 Abnormal level of substances chiefly nonmedicinal as to source in specimens from digestive organs and abdominal cavity

Billable ICD-10-CM code, FY2026.

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

Includes

• abnormal findings in peritoneal fluid
• abnormal findings in saliva

Excludes1 (never code together)

• cloudy peritoneal dialysis effluent (R88.0)
• fecal abnormalities (R19.5)

MS-DRG index

Defines the logic of DRG(s) 947-948 in MDC 23.

Approximate ICD-9-CM (GEMs)

• 792.4 Nonspecific abnormal findings in saliva (approximate)
• 792.9 Other nonspecific abnormal findings in body substances (approximate)

Diagnosis Index entries for R85.3

• Abnormal, abnormality, abnormalities › specimen › digestive organs (peritoneal fluid) (saliva) › nonmedicinal level

Nearby codes

• R85 Abnormal findings in specimens from digestive organs and abdominal cavity
• 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 (this code)
• 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
• R85.61 Abnormal cytologic smear of anus
• R85.610 Atypical squamous cells of undetermined significance on cytologic smear of anus (ASC-US)