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 018L0
Division of Thoracic Sympathetic Nerve, Perc Endo Approach
Division of Thoracic Sympathetic Nerve, Perc Approach
Division of Thoracic Sympathetic Nerve, Open Approach