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Celiac Ped Screen w Reflex

Test ID: 


CPT code:



tTG/DGP Screen

Clinical Use:

For detection of IgA and IgG antibodies to deamidated gliadin-derived peptides (DGP) and human tissue transglutaminase (h-tTG) in human serum. The presence of these antibodies can be used in conjunction with clinical findings and other laboratory tests to aid in the diagnosis of IgA-sufficient and IgA-deficient celiac disease.

Specimen Type:


Requested Volume: 

0.5 mL

Minimum Volume: 


Container Type: 

Red-top tube or gel-barrier tube


Serum separated from clot

Storage Instructions:

Room temperature

Stability Requirements:

Temperature Period
Room temperature 14 days
Refrigerated 14 days
Frozen 14 days

Rejection Criteria

Microbially-contaminated, heat-treated, or specimens containing visible particulate; grossly hemolyzed or lipemic serum specimens

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