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 018M0
Division of Abdominal Sympathetic Nerve, Perc Endo Approach
Division of Abdominal Sympathetic Nerve, Open Approach
Division of Abdominal Sympathetic Nerve, Perc Approach