MCMedicalCodingSoftware
R85.5

R85.5: Abnormal microbiological findings in specimens from digestive organs and abdominal cavity

Billable / specific codeICD-10-CM

R85.5 is a billable, specific ICD-10-CM code for abnormal microbiological findings in specimens from digestive organs and abdominal cavity. It is valid for submission on a claim.

Check R85.5 with the rest of the claim: free scrubber

Excludes1: never code together

These conditions cannot occur together. Billing both on the same encounter is a denial.

  • colonization status (Z22.-)

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

  • Positive culture findings in specimens from digestive organs and abdominal cavity

Excludes1 inherited from the categories above R85.5

A category’s note binds every code beneath it.

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

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

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Alphabetic index entries that lead here

  • Positive›culture›peritoneal fluid
  • Positive›culture›saliva
  • Abnormal, abnormality, abnormalities›specimen›digestive organs›microbiology

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under R85

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.