ICD-10-CM category
R97: Abnormal tumor markers
Codes under R97 (Abnormal tumor markers). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| R97.0 | Elevated carcinoembryonic antigen [CEA] | ✓ |
| R97.1 | Elevated cancer antigen 125 [CA 125] | ✓ |
| R97.2 | Elevated prostate specific antigen [PSA] | — |
| R97.8 | Other abnormal tumor markers | ✓ |
| R97.20 | Elevated prostate specific antigen [PSA] | ✓ |
| R97.21 | Rising PSA following treatment for malignant neoplasm of prostate | ✓ |
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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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