AHA Coding Clinic® for ICD-10-CM and ICD-10-PCS - 2021 Issue 2; Ask the Editor

Dorsal Root Entry Zone Procedure

A patient with left cervical pain due to dorsal root avulsion underwent surgical treatment. Following exposure of the C6-T2 spinous processes, a laminectomy was performed and a microscope was used for microscopic dissection. A microscope was then used to open the arachnoid, and dorsal root entry zone (DREZ) lesions were made between the T1 and C7 rootlets. What is the appropriate procedure code for this DREZ procedure? ...

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