Test Code TTGA Tissue Transglutaminase (tTG) Antibody, IgA
Methodology
Enzyme Immunoassay
Performing Laboratory
Munson Medical Center Laboratories
Specimen Requirements
Specimen must arrive within 48 hours of draw.
Container/Tube: Gold-top serum gel tube
Specimen Volume: 1 mL of serum
Transport Temperature: Refrigerate
Collection Instructions: Draw blood in a gold-top serum tube. Centrifuge within 2 hours of draw, then refrigerate. Forward promptly.
Reference Values
<4.0 U/mL = Negative
4.0- 10.0 U/mL= Weak positive
>10.0 U/mL = Positive
Day(s) Test Set Up
Monday through Friday, batch testing
Test Classification and CPT Coding
83516