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 0DTJ0
Resection of Appendix, Endo
Resection of Appendix, Percutaneous Endoscopic Approach
Resection of Appendix, Open Approach
Resection of Appendix, Via Natural or Artificial Opening