Collect in a plain red top or SST tube.
Separate serum from cells immediately by centrifugation and aliquot into a polypropylene or similar plastic tube.
Preferred volume: 1 mL serum
Minimum Volume: 0.5mL serum
Plasma, microbially contaminated, heat treated, or specimens with visible particulates should not be used. Addition of azide or other preservatives may adversely effect results. Lipemic or grossly hemolyzed serum should be avoided.
Frozen. Send serum Priority Overnight via FedEx and in a well insulated container on dry ice.
Up to 8 hours ambient or 48 hours refrigerated at 2-8°C. Freeze at or below -20°C for longer storage or shipping.
Immunology Lab - Diagnostic
ELISA (Anti Thyroglobulin Ab);ATG
Negative = <0.6
Weak Positive =0.6-1.0
Moderate to Strong Positive >1.0