Wiki ICD.9 code for Piriformis Syndrome?

Piriformis syndrome

The correct code for this condition, as answered in AHA's Coding Clinic, is 355.0.
 
355.0 ,since the piriformis synd is due to irritation of sciatic nerve caused by compresion of nerve within piriformis muscle. so lesion sciatic nerve leads 355.0
 
actually it's not DUE to irritation of the sciatic nerve, it's the pirfomis muscle compressing the nerve. It's due to a muscle issue and the nerve issue is secondary. Both should be coded
 
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