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 09DB0
Extraction of Right Mastoid Sinus, Open Approach
Extraction of Right Mastoid Sinus, Percutaneous Approach
Extraction of Right Mastoid Sinus, Perc Endo Approach