2007 ICD-9-CM Procedure 20.71 Endolymphatic shunt Surgical fistulization of the membranous labyrinth of the inner ear with mastoid, subarachnoid or cochlear shunt. This procedure is used in the treatment of Meniere's disease. 20.71 is a specific code that can be used to specify a procedure 20.71 contains 4 index entries View the full Volume 3 20.* hierarchy Index entries containing 20.71: Endolymphatic (-subarachnoid) shunt 20.71 Shunt -- see also Anastomosis and Bypass, vascular endolymphatic (-subarachnoid) 20.71 endolymph-perilymph 20.71 semicircular subarachnoid 20.71