| ICD-10 Code | Description |
| R94.110 | Abnormal electro-oculogram [EOG] |
| R94.111 | Abnormal electroretinogram [ERG] |
| R94.112 | Abnormal visually evoked potential [VEP] |
| R94.113 | Abnormal oculomotor study |
| R94.118 | Abnormal results of other function studies of eye |
| R94.120 | Abnormal auditory function study |
| R94.121 | Abnormal vestibular function study |
| R94.128 | Abnormal results of other function studies of ear and other special senses |
| R94.130 | Abnormal response to nerve stimulation, unspecified |
| R94.131 | Abnormal electromyogram [EMG] |
| R94.138 | Abnormal results of other function studies of peripheral nervous system |
