The Body Part Thoracic Duct is identified by letter "K" and occupies the 4th position in the ICD10-PCS procedure code structure.
Below a selection of ICD 10 PCS codes related to 07CK
Extirpation of Matter from Thoracic Duct, Perc Endo Approach
Extirpation of Matter from Thoracic Duct, Perc Approach
Extirpation of Matter from Thoracic Duct, Open Approach