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 09DW0
Extraction of Right Sphenoid Sinus, Open Approach
Extraction of Right Sphenoid Sinus, Perc Endo Approach
Extraction of Right Sphenoid Sinus, Percutaneous Approach