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 09DX0
Extraction of Left Sphenoid Sinus, Open Approach
Extraction of Left Sphenoid Sinus, Percutaneous Approach
Extraction of Left Sphenoid Sinus, Perc Endo Approach