The Body Part Sphenoid Bone is identified by letter "C" and occupies the 4th position in the ICD10-PCS procedure code structure.
Below a selection of ICD 10 PCS codes related to 0NNC
Release Sphenoid Bone, Percutaneous Endoscopic Approach
Release Sphenoid Bone, Open Approach
Release Sphenoid Bone, Percutaneous Approach