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 005K0
Destruction of Trigeminal Nerve, Percutaneous Approach
Destruction of Trigeminal Nerve, Open Approach
Destruction of Trigeminal Nerve, Perc Endo Approach