CELIAC DISEASE PANEL

Components
Immunoglobulin A (IgA), Total
Gliadin IgA Antibodies, Deamidated
Gliadin IgG Antibodies, Deamidated
Tissue Transglutaminase Antibodies, IgA
Tissue Transglutaminase Antibodies, IgG

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, Nephelometry Total

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
Immunoglobulin A (IgA):
0-30 days: 1-7 mg/dL
1 month 1-53 mg/dL
2 months 3-47 mg/dL
3 months 5-46 mg/dL
4 months 4-72 mg/dL
5 months 8-83 mg/dL
6 months 8-67 mg/dL
7-8 months 11-89 mg/dL
9-11 months 16-83 mg/dL
1 year 14-105 mg/dL
2 years 14-122 mg/dL
3 years 22-157 mg/dL
4 years 25-152 mg/dL
5-7 years 33-200 mg/dL
8-9 years 45-234 mg/dL
>=10 years 70-400 mg/dL

Performed
Monday-Friday

Turnaround Time3 days
Test CodeCELIA
CPT-4 Code (s)
83516 x 4, 82784
LOINC Codes
Gliadin IgA Abs, Deamidate   58709-7  
Gliadin IgG ABS, Deamidated   58710-5  
Tissue Transglutaminase Ab, IgA   31017-7  
Tissue Transglutaminase Ab, IgG   32998-7  
Immunoglobulin A (IgA)   2458-8  

Warde
Medical
Laboratory