Can Sodium Oxalate and EDTA Be Used for HLA Typing

question 6

Multiple Choice

Can sodium oxalate and EDTA be used for HLA typing, antibody identification, and cross- matching by conventional serologic methods?

• A)Yes, as long as the specimen is kept at room temperature.
• B)Yes, as long as the specimen is kept at 2-6° C.
• C)No, because EDTA and oxalate chelate Mg++ and Ca++.
• D)No, because EDTA and oxalate are toxic to white blood cells.