CELIAC DISEASE PANEL

Test Documentation
Specimen Required
Draw blood in a SST tube. Centrifuge, separate and send 2.0 mL serum (1.0 mL minimum) refrigerated in a screw-capped plastic vial.

Alternate Specimen
Serum: Red-top

Rejection Criteria
Grossly hemolyzed or lipemic specimens

Methodology
Enzyme Immunoassay

Stability
Room Temperature: 8 hours; Refrigerated: 2 days; Frozen: 14 days

Reference Range
Gliadin IgG Antibodies, Deamidated
<20 EIA Units Negative
20-30 Units Weak Positive
>30 Units Moderate to Strong Positive
Gliadin IgA Antibodies, Deamidated
<20 EIA Units Negative
20-30 Units Weak Positive
>30 Units Moderate to Strong Positive
Tissue Transglutaminase Antibody, IgA
<20 Units Negative
20-30 Units Weak Positive
>30 Units Moderate to Strong Positive
Tissue Transglutaminase Antibody, IgG
<20 Units Negative
20-30 Units Weak Positive
>30 Units Moderate to Strong Positive

Performed
Monday-Friday

Turnaround Time3 days
Test CodeCELIA
CPT-4 Code (s)
83516 x 4
LOINC Codes
Gliadin IgG Abs, Deamidate   58710-5  
Gliadin IgA ABS, Deamidated   58709-7  
Tissue Transglutaminase Ab, IgA   31017-7  
Tissue Transglutaminase Ab, IgG   32998-7  

Warde
Medical
Laboratory