R94.1 Abnormal results of function studies of peripheral nervous system and special sensesNon-billable header with 3 child codes.
R94.11 Abnormal results of function studies of eyeR94.12 Abnormal results of function studies of ear and other special sensesR94.13 Abnormal results of function studies of peripheral nervous systemT88.7 Unspecified adverse effect of drug or medicament ("specified adverse effects of drugs and medicaments (A00-R94 and T80-T88.6, T88.8)")R94 Abnormal results of function studiesR94.0 Abnormal results of function studies of central nervous systemR94.01 Abnormal electroencephalogram [EEG]R94.02 Abnormal brain scanR94.09 Abnormal results of other function studies of central nervous systemR94.1 Abnormal results of function studies of peripheral nervous system and special senses (this code)R94.11 Abnormal results of function studies of eyeR94.110 Abnormal electro-oculogram [EOG]R94.111 Abnormal electroretinogram [ERG]R94.112 Abnormal visually evoked potential [VEP]R94.113 Abnormal oculomotor study