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