The Body Part Trachea is identified by number "1" and occupies the 4th position in the ICD10-PCS procedure code structure.
Below a selection of ICD 10 PCS codes related to 0B21
Change Tracheostomy Device in Trachea, External Approach
Change Endotracheal Airway in Trachea, External Approach
Change Other Device in Trachea, External Approach
Change Drainage Device in Trachea, External Approach