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R94.13

⚠ Non-billable (Header)

Abnormal results of function studies of peripheral nervous system

Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)

⚠️ This is a category header code — not billable. Use a more specific child code below.

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✅ No additional coding notes for R94.13

Child Codes (3)

R94.130Abnormal response to nerve stimulation, unspecifiedR94.131Abnormal electromyogram [EMG]R94.138Abnormal results of other function studies of peripheral nervous system

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Code Information

CodeR94.13
BillableNo — Header code
ParentR94.1
CategorySymptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)
Excludes10 rule(s)
Excludes20 note(s)
Child codes3

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)