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 0DT20
Resection of Middle Esophagus, Open Approach
Resection of Middle Esophagus, Via Opening
Resection of Middle Esophagus, Endo
Resection of Middle Esophagus, Perc Endo Approach