R94 - Abnormal results of function studies
R94.1 - Abnormal results of function studies of peripheral nervous system and special senses
R94.11 - Abnormal results of function studies of eye
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
R94.12 - Abnormal results of function studies of ear and other special senses
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
R94.13 - Abnormal results of function studies of peripheral nervous system
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