The Device No Device is identified by letter "Z" and occupies the 6th position in the ICD10-PCS procedure code structure.
Below a selection of ICD 10 PCS codes related to 07NK4Z
Release Thoracic Duct, Open Approach
Release Thoracic Duct, Percutaneous Endoscopic Approach
Release Thoracic Duct, Percutaneous Approach