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 00DK0
Extraction of Trigeminal Nerve, Open Approach
Extraction of Trigeminal Nerve, Percutaneous Approach
Extraction of Trigeminal Nerve, Perc Endo Approach