Tissue Transglutaminase Antibody, IgA


Sunquest Code:TTGA  
Epic Code:LAB723Epic Name:Tissue Transglutaminase Antibody IGA
Synonyms:TTG Antibody, IgA; Celiac Disease; Coeliac Disase, Malabsorption
Methodology:FEIA (by ImmunoCAP)
CPT Code:----------CPTCODES HERE----------
Turnaround Time:Performed two times a week; results are reported within 4 days.


Collection Instructions

Specimen:Blood
Optimal Volume:1 mL
Minimum\Peds Volume:0.6 mL
Container:Red or gold (gel) (Purple (EDTA), Red (no gel))
Causes for Rejection:Hemolyzed, lipemic or microbially contaminated specimens. Samples not separated from cells within 2 hours of collection.


Processing and Shipping

Specimen Processing:Within 2 hours of collection, centrifuge and aliquot 0.5 mL, 0.2 mL minimum. Store in refrigerator.
Shipping Instructions:Ship at refrigerated temperature.
Test Performed at or Referral Lab Endocrine  (UMMC-East Bank)


Interpretive

Reference Range:

Less than 7.0 U/mL

Negative

7.0-10.0 U/mL

Equivocal

Greater than 10.0 U/mL

Positive

 

 

Use:Autoantigen of interest in celiac disease. See Tissue Transglutaminase Antibodies, IgA and IgG.


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