The Approach External is identified by letter "X" and occupies the 5th position in the ICD10-PCS procedure code structure.
Below a selection of ICD 10 PCS codes related to 0WJNX
Inspection of Female Perineum, Open Approach
Inspection of Female Perineum, External Approach
Inspection of Female Perineum, Perc Endo Approach
Inspection of Female Perineum, Percutaneous Approach