ICD-10-CM category
R90: Abnormal findings on diagnostic imaging of central nervous system
Codes under R90 (Abnormal findings on diagnostic imaging of central nervous system). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| R90.0 | Intracranial space-occupying lesion found on diagnostic imaging of central nervous system | ✓ |
| R90.8 | Other abnormal findings on diagnostic imaging of central nervous system | — |
| R90.81 | Abnormal echoencephalogram | ✓ |
| R90.82 | White matter disease, unspecified | ✓ |
| R90.89 | Other abnormal findings on diagnostic imaging of central nervous system | ✓ |
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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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