2007 ICD-9-CM Procedure 33.50 Lung transplant, not otherwise specified The transference of either one or both of the lungs from one human or animal to another. 33.50 is a specific code that can be used to specify a procedure 33.50 contains 2 index entries View the full Volume 3 33.* hierarchy Index entries containing 33.50: Transplant, transplantation lung 33.50 bilateral 33.50 combined with heart 33.6 double 33.52 single 33.51 unilateral 33.51