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 0WCQ
Extirpation of Matter from Resp Tract, Perc Endo Approach
Extirpation of Matter from Resp Tract, Extern Approach
Extirpation of Matter from Respiratory Tract, Open Approach
Extirpation of Matter from Respiratory Tract, Via Opening
Extirpation of Matter from Respiratory Tract, Endo
Extirpation of Matter from Respiratory Tract, Perc Approach