The Approach Percutaneous is identified by number "3" and occupies the 5th position in the ICD10-PCS procedure code structure.
Below a selection of ICD 10 PCS codes related to 3E1Q3
Irrigation of Cran Cav/Brain using Irrigat, Perc Approach
Irrigate Cran Cav/Brain w Irrigat, Perc, Diagn