R89: Abnormal findings in specimens from other organs, systems and tissues
Codes under R89 (Abnormal findings in specimens from other organs, systems and tissues). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| R89.0 | Abnormal level of enzymes in specimens from other organs, systems and tissues | ✓ |
| R89.0 | Abnormal level of enzymes in specimens from other organs, systems and tissues | ✓ |
| R89.1 | Abnormal level of hormones in specimens from other organs, systems and tissues | ✓ |
| R89.1 | Abnormal level of hormones in specimens from other organs, systems and tissues | ✓ |
| R89.2 | Abnormal level of other drugs, medicaments and biological substances in specimens from other organs, systems and tissues | ✓ |
| R89.2 | Abnormal level of other drugs, medicaments and biological substances in specimens from other organs, systems and tissues | ✓ |
| R89.3 | Abnormal level of substances chiefly nonmedicinal as to source in specimens from other organs, systems and tissues | ✓ |
| R89.3 | Abnormal level of substances chiefly nonmedicinal as to source in specimens from other organs, systems and tissues | ✓ |
| R89.4 | Abnormal immunological findings in specimens from other organs, systems and tissues | ✓ |
| R89.4 | Abnormal immunological findings in specimens from other organs, systems and tissues | ✓ |
| R89.5 | Abnormal microbiological findings in specimens from other organs, systems and tissues | ✓ |
| R89.5 | Abnormal microbiological findings in specimens from other organs, systems and tissues | ✓ |
| R89.6 | Abnormal cytological findings in specimens from other organs, systems and tissues | ✓ |
| R89.6 | Abnormal cytological findings in specimens from other organs, systems and tissues | ✓ |
| R89.7 | Abnormal histological findings in specimens from other organs, systems and tissues | ✓ |
| R89.7 | Abnormal histological findings in specimens from other organs, systems and tissues | ✓ |
| R89.8 | Other abnormal findings in specimens from other organs, systems and tissues | ✓ |
| R89.8 | Other abnormal findings in specimens from other organs, systems and tissues | ✓ |
| R89.9 | Unspecified abnormal finding in specimens from other organs, systems and tissues | ✓ |
| R89.9 | Unspecified abnormal finding in specimens from other organs, systems and tissues | ✓ |
Frequently asked questions
What is ICD-10-CM code R89?
R89 is an ICD-10-CM category covering Abnormal findings in specimens from other organs, systems and tissues. It contains 20 more specific diagnosis codes, 20 of which are billable.
Is R89 a billable code?
No — R89 is a category header and isn't billable on its own. Code to the highest level of specificity using one of its subcodes (for example R89.0 — Abnormal level of enzymes in specimens from other organs, systems and tissues). 20 of the 20 codes under R89 are billable.
What codes fall under R89?
R89 includes R89.0, R89.0, R89.1, R89.1, R89.2, plus 15 more. See the full list with descriptions and billable status above.
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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.
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