R85.3

Billable
ChapterR00–R99
Ranksubcategory
Official Description

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

Metadata & Insights
  • 2026 ICD-10-CM Edition - Effective October 1, 2025.
  • Billable/specific code (valid for reimbursement).
  • Chapter 18: Symptoms, Signs and Abnormal Clinical and Laboratory Findings (R00-R99).
General instructions are available for the parent sections:

Clinical Hierarchy

CH18Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)
R83-R89Abnormal findings on examination of other body fluids, substances and tissues, without diagnosis (R83-R89)
R85Abnormal findings in specimens from digestive organs and abdominal cavity
R85.3Abnormal level of substances chiefly nonmedicinal as to source in specimens from digestive organs and abdominal cavity

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to R85.3:

categoryR85
Abnormal findings in specimens from digestive organs and abdominal cavity
View context instructions
blockR83-R89
Abnormal findings on examination of other body fluids, substances and tissues, without diagnosis (R83-R89)
View context instructions
chapterCH18
Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)
View context instructions

Alphabetic Index Mentions

These are Diagnosis Index lookup paths that route to R85.3. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

1 raw paths

MS-DRG Classification

2026 v43.1

This code is grouped within the following Diagnosis Related Group(s) for clinical reimbursement:

Cross Reference

Find Procedures (ICD-10-PCS)

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