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 0JN10
Release Face Subcutaneous Tissue and Fascia, Perc Approach
Release Face Subcutaneous Tissue and Fascia, Extern Approach
Release Face Subcutaneous Tissue and Fascia, Open Approach