AHA Coding Clinic® for ICD-10-CM and ICD-10-PCS - 2017 Issue 3; Ask the Editor

Resection of Schwannoma and Placement of Duragen and Lorenz Cranial Plating System

A patient with fifth nerve schwannoma presents for resection of the tumor along with repair of the skull base defect.  The tumor was removed to the point where any further resection was causing problems with the facial nerve monitor.  Attention was then turned to closure and a piece of DuraGen was placed in an underlay fashion and the dura was closed with sutures.  The bone flap was replaced with Lorenz cranial plating system and the fascia was closed with sutures.  Besides the tumor excision, are the root operations Supplement and Replacement also coded for the DuraGen placement and Lorenz plating system?  If not, how should the DuraGen and Lorenz procedures be coded? ...

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