Is R94.1 a billable code?
No. R94.1 is a header code that groups 11 more specific codes. Use one of the billable codes listed on this page instead.
ICD-10-CM FY2027 diagnosis code
R94.1: Abnormal results of function studies of peripheral nervous system and special senses
Header code: not billableValid for dates of service October 1, 2026 to September 30, 2027
R94.1 groups related diagnoses under abnormal results of function studies of peripheral nervous system and special senses. It cannot be used on a claim by itself. Choose the billable code below that matches the patient's record.
Billable codes under R94.1
- R94.110Abnormal electro-oculogram [EOG]
- R94.111Abnormal electroretinogram [ERG]
- R94.112Abnormal visually evoked potential [VEP]
- R94.113Abnormal oculomotor study
- R94.118Abnormal results of other function studies of eye
- R94.120Abnormal auditory function study
- R94.121Abnormal vestibular function study
- R94.128Abnormal results of other function studies of ear and other special senses
- R94.130Abnormal response to nerve stimulation, unspecified
- R94.131Abnormal electromyogram [EMG]
- R94.138Abnormal results of other function studies of peripheral nervous system
Other codes in R94 Abnormal results of function studies
- R94.0Abnormal results of function studies of central nervous systemheader
- R94.2Abnormal results of pulmonary function studies
- R94.3Abnormal results of cardiovascular function studiesheader
- R94.4Abnormal results of kidney function studies
- R94.5Abnormal results of liver function studies
- R94.6Abnormal results of thyroid function studies
- R94.7Abnormal results of other endocrine function studies
- R94.8Abnormal results of function studies of other organs and systems
R94.1 questions
What does R94.1 mean?
R94.1 is the ICD-10-CM code for Abnormal results of function studies of peripheral nervous system and special senses. It is in chapter 18, Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99).
Code titles come from the official ICD-10-CM files published by the CDC National Center for Health Statistics. Always check payer rules and the clinical record before billing.