The Approach Open is identified by number "0" and occupies the 5th position in the ICD10-PCS procedure code structure.
Below a selection of ICD 10 PCS codes related to 00C50
Extirpation of Matter from Cran Subrac Spc, Open Approach
Extirpation of Matter from Cran Subrac Spc, Perc Approach
Extirpate of Matter from Cran Subrac Spc, Perc Endo Approach