R94 — ICD-10-CM Diagnosis Codes

• R94 Abnormal results of function studies
• R94.0 Abnormal results of function studies of central nervous system
• R94.01 Abnormal electroencephalogram [EEG] billable
• R94.02 Abnormal brain scan billable
• R94.09 Abnormal results of other function studies of central nervous system billable
• 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] billable
• R94.111 Abnormal electroretinogram [ERG] billable
• R94.112 Abnormal visually evoked potential [VEP] billable
• R94.113 Abnormal oculomotor study billable
• R94.118 Abnormal results of other function studies of eye billable
• R94.12 Abnormal results of function studies of ear and other special senses
• R94.120 Abnormal auditory function study billable
• R94.121 Abnormal vestibular function study billable
• R94.128 Abnormal results of other function studies of ear and other special senses billable
• R94.13 Abnormal results of function studies of peripheral nervous system
• R94.130 Abnormal response to nerve stimulation, unspecified billable
• R94.131 Abnormal electromyogram [EMG] billable
• R94.138 Abnormal results of other function studies of peripheral nervous system billable
• R94.2 Abnormal results of pulmonary function studies billable
• R94.3 Abnormal results of cardiovascular function studies
• R94.30 Abnormal result of cardiovascular function study, unspecified billable
• R94.31 Abnormal electrocardiogram [ECG] [EKG] billable
• R94.39 Abnormal result of other cardiovascular function study billable
• R94.4 Abnormal results of kidney function studies billable
• R94.5 Abnormal results of liver function studies billable
• R94.6 Abnormal results of thyroid function studies billable
• R94.7 Abnormal results of other endocrine function studies billable
• R94.8 Abnormal results of function studies of other organs and systems billable