FT4 (Thyroxine Free) July 25, 2023 Immunoassay Test Name: FT4 (Thyroxine Free) Description: Test: FT4 (Thyroxine Free) MRP: 455 Parameters: Method: CMIA (Chemiluminescence Microparticle Immunoassay) Sample Type: 2 ml. (1 ml. Minimum) Serum from 1 SST (Gel Barrier Tube). Instruction: TAT: Same Working Day by 7pm Department: Immunoassay < Go Back