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TTRIG
TISSUE TRANSGLUTAMINASE (TTG) ANTIBODY, IGG

Test Code TTRIG 
Test TISSUE TRANSGLUTAMINASE (TTG) ANTIBODY, IGG 
Methodology Enzyme-Linked Immunosorbent Assay 
Description Useful as an aid in the diagnosis of celiac disease 
Specimen Draw blood in a plain red-top or serum gel tube. Spin down and send 1.0 mL (minimum: 0.5 mL) of serum refrigerated in a screw-capped, plastic vial. If specimen will not arrive within 2 days of draw, send specimen FROZEN in plastic vial on dry ice. 
Reference Values Negative: < 6 units
Weak Positive: 6-9 units
Moderate to Strong Positive: > 9 units 
Analytic Time 1 Day 
Day(s) Test Set Up Monday through Friday 
CPT Code(s) 83516