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Test Code BLOD0375 Gliadin (Deamidated) Antibody, IgG

Useful For

  • Evaluating patients suspected of having celiac disease; this includes patients with symptoms compatible with celiac disease, patients with atypical symptoms, and individuals at increased risk of celiac disease
  • Evaluating the response to treatment with a gluten-free diet

Methodology

Enzyme linked fluorescent immunoasay (EliA)

Performing Laboratory

Bozeman Outpatient Services at North 19th

Specimen Requirements

Specimen Type: Serum

Container/Tube: Red top or gold top

Specimen Volume: 1 mL
Specimen Minimum Volume: 0.5 mL

Collection Instructions: Centrifuge and separate serum from cells within 2 hours of collection.  

Specimen Rejection:

​1.  Grossly hemolyzed or lipemic samples will be rejected. 

2.  Repeatedly freezing and thawing samples can cause analyte deterioration. Thaw only once.

Specimen Transport Temperature

Ambient <8 hours/Refrigerated <48 hours/Frozen >48 hours

Specimen Stability

 

Specimen Type Temperature Time
Serum Ambient 8 hours
  Refrigerated 48 hours
  Frozen 30 days

 

Reference Values

Negative

 

<7.0 U/mL (negative)

7.0-10.0 U/mL (equivocal)

>10.0 U/mL (positive)

Day(s) Test Set Up

Monday, Wednesday, Friday

 

Turnaround Time: Same day as performed

Test Classification and CPT Coding

83516