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 0DTQ0
Resection of Anus, Open Approach
Resection of Anus, Via Natural or Artificial Opening
Resection of Anus, Percutaneous Endoscopic Approach
Resection of Anus, Endo