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 0DJWX
Inspection of Peritoneum, Percutaneous Endoscopic Approach
Inspection of Peritoneum, Open Approach
Inspection of Peritoneum, External Approach
Inspection of Peritoneum, Percutaneous Approach