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