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 0DJ6X
Inspection of Stomach, Percutaneous Approach
Inspection of Stomach, Endo
Inspection of Stomach, Open Approach
Inspection of Stomach, Via Natural or Artificial Opening
Inspection of Stomach, Percutaneous Endoscopic Approach
Inspection of Stomach, External Approach