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Test Code TTGA Tissue Transglutaminase Ab (IgA), Serum

Additional Codes

Ordering Mnemonic
TTGA

Methodology

Fluoroenzyme Immunoassay

Performing Laboratory

Holland Hospital Laboratory Services

Specimen Requirements

Container/Tube: Serum gel tube-Hemolyzed or lipemic specimen is not acceptable.

Specimen Volume: 0.5 mL of serum

Specimen Transport Temperature

Refrigerate; Freeze if >48 hrs.

Day(s) Test Set Up

Varies

Reference Values

0.0-6.9 ELIA U/ML = Negative

7-10 = Equivocal

>10  = Positive