2007 ICD-9-CM Procedure 99.74 Therapeutic plateletpheresis The preparation of platelet concentrates with the return of red cells and platelet-poor plasma to the donor. 99.74 is a specific code that can be used to specify a procedure 99.74 contains 1 index entry View the full Volume 3 99.* hierarchy Index entries containing 99.74: Plateletpheresis, therapeutic 99.74