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General Information

Collection Locations

Testing

Testing Updates

Collection & Handling 

Transport

Supplies

Billing

Mayo Clinic Laboratories

Test Code TTGG Tissue Transglutaminase (tTG) Antibody, IgG

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

    <6.0 U/mL = Negative

6.0-9.0 U/mL = Weak positive

    >9.0 U/mL = Positive

Day(s) Test Set Up

Monday through Friday, batch testing

Test Classification and CPT Coding

83516