The Body Part Gastrointestinal Tract is identified by letter "P" and occupies the 4th position in the ICD10-PCS procedure code structure.
Below a selection of ICD 10 PCS codes related to 0WJP
Inspection of Gastrointestinal Tract, Percutaneous Approach
Inspection of Gastrointestinal Tract, Endo Approach
Inspection of Gastrointestinal Tract, Open Approach
Inspection of Gastrointestinal Tract, Via Opening Approach
Inspection of Gastrointestinal Tract, Perc Endo Approach