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HelpTest ID BLOD0501 Celiac Screen with Reflex to DGP, IgG
Specimen Type/Requirements
Gold top (Serum w/gel) tube - Serum
Red top (Serum w/out gel) tube - Serum
This test requires 2 separate aliquots:
1. Immunoglobulin IgA: Refrigerated
2. Tissue Transglutaminase IgA Antibody: Frozen
Test is affected by hemolysis, lipemia and icterus.
Specimen Volume
1st and 2nd Aliquots of Serum:
| Preferred Volume | 1.0 mL each |
|---|---|
| Minimum Volume | 0.75 mL each |
Stability/Transport
| Room Temperature | Not Acceptable | |
|---|---|---|
| Refrigerated | 7 days | 1 Aliquot - Preferred for transport |
| Frozen | Greater than 7 days | 1 Aliquot - Preferred for transport |
*Preferred temperature for the transportation of these specimens: 1 aliquot sent Refrigerated, 1 sent frozen.
Performed Test Frequency
Monday through Friday
Methodology
Multiplex Flow Immunoassay, Turbidimetric
CPT
86364, 82784, reflex 86258
Performing Lab
Sanford Laboratories Sioux Falls
Additional Information
Test includes Tissue Transglutaminase (tTG) IgA Antibody, Immunoglobulin IgA, with reflex to Gliadin (Deamidated) Antibody, IgG if indicated.
Please see Celiac Algorithm for details of testing.
Analytic Time
1 - 3 days