| R25 | Abnormal involuntary movements |
| R25.0 | Abnormal head movements |
| R25.1 | Tremor, unspecified |
| R25.2 | Cramp and spasm |
| R25.3 | Fasciculation |
| R25.8 | Other abnormal involuntary movements |
| R25.9 | Unspecified abnormal involuntary movements |
| R26 | Abnormalities of gait and mobility |
| R26.0 | Ataxic gait |
| R26.1 | Paralytic gait |
| R26.2 | Difficulty in walking, not elsewhere classified |
| R26.8 | Other abnormalities of gait and mobility |
| R26.81 | Unsteadiness on feet |
| R26.89 | Other abnormalities of gait and mobility |
| R26.9 | Unspecified abnormalities of gait and mobility |
| R27 | Other lack of coordination |
| R27.0 | Ataxia, unspecified |
| R27.8 | Other lack of coordination |
| R27.9 | Unspecified lack of coordination |
| R29 | Other symptoms and signs involving the nervous and musculoskeletal systems |
| R29.0 | Tetany |
| R29.1 | Meningismus |
| R29.2 | Abnormal reflex |
| R29.3 | Abnormal posture |
| R29.4 | Clicking hip |
| R29.5 | Transient paralysis |
| R29.6 | Repeated falls |
| R29.8 | Other symptoms and signs involving the nervous and musculoskeletal systems |
| R29.81 | Other symptoms and signs involving the nervous system |
| R29.810 | Facial weakness |
| R29.818 | Other symptoms and signs involving the nervous system |
| R29.89 | Other symptoms and signs involving the musculoskeletal system |
| R29.890 | Loss of height |
| R29.891 | Ocular torticollis |
| R29.898 | Other symptoms and signs involving the musculoskeletal system |
| R29.9 | Unspecified symptoms and signs involving the nervous and musculoskeletal systems |
| R29.90 | Unspecified symptoms and signs involving the nervous system |
| R29.91 | Unspecified symptoms and signs involving the musculoskeletal system |