R85.89 Other abnormal findings in specimens from digestive organs and abdominal cavity

ICD-10-CM Diagnosis Code R85.89: Other Abnormal Findings in Specimens from Digestive Organs and Abdominal Cavity

ICD-10-CM code R85.89 designates other abnormal findings in specimens from digestive organs and the abdominal cavity. This active diagnosis concept is categorized under symptoms, signs, and abnormal clinical or laboratory findings. It captures specific specimen abnormalities, including chromosomal findings, and is mapped to broader digestive and abdominal cavity diagnostic categories. 1 6

Plain-language overview

Code R85.89 identifies other abnormal findings in specimens from digestive organs and the abdominal cavity, serving as an active terminology record for this specific diagnosis concept. 1

What this code represents

This code represents a finding with a semantic type classification, and it exists as a narrower concept under the parent code R85.8 for other abnormal digestive and abdominal cavity specimen findings. 1

R85.89 includes abnormal chromosomal findings in specimens from digestive organs and the abdominal cavity as a specified inclusion term for this diagnostic category. 6

Coding details

This diagnosis code is located in Chapter 18 for symptoms, signs, and abnormal clinical or laboratory findings, specifically within the R83-R89 block for abnormal findings without a diagnosis. 6

The code structure places R85.89 within category R85 for abnormal findings in specimens from digestive organs and abdominal cavity, and under subcategory R85.8 for other abnormal findings. 6

Documentation considerations

The MS-DRG definitions manual lists this code among various specific abnormal specimen findings, distinguishing it from the unspecified abnormal finding in specimens from digestive organs and abdominal cavity. 3

What the sources add

While the terminology record defines R85.89 as an active finding, the MS-DRG definitions manual lists it among specific abnormal laboratory findings, contrasting it with unspecified abnormal specimen findings. 1 3

The code is cross-referenced in multiple distinct source domains, including a federal terminology registry and a university phecode mapping system, both listing it alongside related digestive specimen abnormalities. 3 4

Sources

1. ICD-10-CM R85.89 terminology record — National Cancer Institute Enterprise Vocabulary Services; accessed 2026-07-27.
2. Digestive System, Liver, and Abdominal Cavity — pmc.ncbi.nlm.nih.gov; accessed 2026-07-27.
3. ICD-10-CM/PCS MS-DRGv33 Definitions Manual — cms.gov; accessed 2026-07-27.
4. Phecode 1010 · Cancer PRSweb — csg.sph.umich.edu; accessed 2026-07-27.
5. EVS Explore — evsexplore.semantics.cancer.gov; accessed 2026-07-27.
6. ICD-10-CM Code R85.89 | Vero — veroscribe.com; accessed 2026-07-27.