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 0UNF0
Release Cul-de-sac, Percutaneous Approach
Release Cul-de-sac, Percutaneous Endoscopic Approach
Release Cul-de-sac, Open Approach
Release Cul-de-sac, Endo
Release Cul-de-sac, Via Natural or Artificial Opening