The Body Part Ileum is identified by letter "B" and occupies the 4th position in the ICD10-PCS procedure code structure.
Below a selection of ICD 10 PCS codes related to 0DNB
Release Ileum, Open Approach
Release Ileum, Percutaneous Approach
Release Ileum, Via Natural or Artificial Opening
Release Ileum, Via Natural or Artificial Opening Endoscopic
Release Ileum, Percutaneous Endoscopic Approach