R25: Abnormal involuntary movements
Codes under R25 (Abnormal involuntary movements). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| R25.0 | Abnormal head movements | ✓ |
| R25.0 | Abnormal head movements | ✓ |
| R25.1 | Tremor, unspecified | ✓ |
| R25.1 | Tremor, unspecified | ✓ |
| R25.2 | Cramp and spasm | ✓ |
| R25.2 | Cramp and spasm | ✓ |
| R25.3 | Fasciculation | ✓ |
| R25.3 | Fasciculation | ✓ |
| R25.8 | Other abnormal involuntary movements | ✓ |
| R25.8 | Other abnormal involuntary movements | ✓ |
| R25.9 | Unspecified abnormal involuntary movements | ✓ |
| R25.9 | Unspecified abnormal involuntary movements | ✓ |
Frequently asked questions
What is ICD-10-CM code R25?
R25 is an ICD-10-CM category covering Abnormal involuntary movements. It contains 12 more specific diagnosis codes, 12 of which are billable.
Is R25 a billable code?
No — R25 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 R25.0 — Abnormal head movements). 12 of the 12 codes under R25 are billable.
What codes fall under R25?
R25 includes R25.0, R25.0, R25.1, R25.1, R25.2, plus 7 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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