Convert ICD-10 Code C91.12 to ICD-9

Source ICD-10 Code		Target ICD-9 Code
C91.12 Chronic lymphocytic leukemia of B-cell type in relapse		204.12 Chr lymp leuk in relapse

ICD-10 to ICD-9 crosswalk for code C91.12 - chronic lymphocytic leukemia of b-cell type in relapse based on the most recent General Equivalence Mappings (GEMS) information.