The Approach Open is identified by number "0" and occupies the 5th position in the ICD10-PCS procedure code structure.
Below a selection of ICD 10 PCS codes related to 09DT0
Extraction of Left Frontal Sinus, Perc Endo Approach
Extraction of Left Frontal Sinus, Percutaneous Approach
Extraction of Left Frontal Sinus, Open Approach