The Body Part Mastoid Sinus, Left is identified by letter "C" and occupies the 4th position in the ICD10-PCS procedure code structure.
Below a selection of ICD 10 PCS codes related to 09TC
Resection of Left Mastoid Sinus, Endo
Resection of Left Mastoid Sinus, Open Approach
Resection of Left Mastoid Sinus, Perc Endo Approach