CSF IgG Synthesis Rate

Both serum and spinal fluid are required. Collect a full tube, following standard venipuncture techniques. Follow standard CSF collection procedure

LAB3204 IGESR

IGESR

@BKRCERMSGREFRESH(2302793)@ @BKRCERMSGREFRESH(2302794)@

Processing Instructions (Lab use only): It is preferred that the collection date and time be the same for both the serum and CSF specimens; however, it is acceptable for them to be drawn within 48 hours of each other. If no serum is supplied, the client will be contacted to confirm the order.CSF collection tube #4 is preferred. Submitting 4th lumbar puncture collection tube minimizes blood contamination.Minimum Testing Volume: 0.5 mL Serum1.0 mL CSF Transport Temperature: Refrigerated SerumRefrigerate CSF specimens at 2-8°C in sterile, plastic CSF vial(s) and send Refrigerated (cold packs) to the laboratory OR freeze CSF specimens at -20°C and send frozen samples to thelaboratory on dry ice.Stability: Ambient: 8 hoursRefrigerated : 7 daysFrozen: 90 days Causes for Rejection: Received room temperatureXanthochromiaHemolysis in CSFRBC's

6-Days

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