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 07JPX
Inspection of Spleen, Percutaneous Approach
Inspection of Spleen, External Approach
Inspection of Spleen, Percutaneous Endoscopic Approach
Inspection of Spleen, Open Approach