Clinical recommendation	Evidence rating	Comments
Physical examination findings should be used in combination with electrodiagnostic studies to increase the accuracy of a carpal tunnel syndrome diagnosis before surgical intervention.26,43	C	Expert opinion and clinical practice guideline
Electrodiagnostic testing should be used as an adjunct to physical examination and imaging to help confirm the diagnosis of peripheral nerve injury, establish the severity of injury, and monitor progression of nerve damage.50	C	Expert opinion
Ultrasonography and magnetic resonance imaging should be used for diagnosing anatomic causes of nerve entrapment.47,48	C	Disease-oriented evidence, expert opinion
In the absence of traumatic injury, initial treatment of nerve injuries should be conservative and include patient education, physical therapy, and activity modification.13–22,29–31,33–35,37,38	B	Patient-oriented evidence in systematic review, expert opinion, randomized controlled trial, case series, Cochrane review