IGG SYNTHESIS RATE/INDEX, CSF

Handling: 2 ML CSF, SUBMITTED IN A STERILE, PLASTIC, LEAKPROOF CSF CONTAINER AND 1 ML SERUM CSF AND SERUM INSTRUCTIONS: THE COLLECTION DATE AND TIME MUST BE THE SAME FOR BOTH SPECIMENS (MAXIMUM 12-HOUR DURATION BETWEEN CSF AND SERUM DRAW TIMES). BOTH CSF AND SERUM MUST BE SENT FOR CALCULATION OF SYNTHESIS RATE BY NEPHELOMETRY. CSF MUST BE CRYSTALLINE CLEAR., 1 ML CSF AND 0.5 ML SERUM, REFRIGERATED (COLD PACKS)