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 01DK0
Extraction of Head Neck Symp Nrv, Perc Endo Approach
Extraction of Head and Neck Sympathetic Nerve, Perc Approach
Extraction of Head and Neck Sympathetic Nerve, Open Approach