Celiac Antibodies tTG IgA/DGP IgG Combination Screen

TEST: 164107
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CPT: 86258; 86364
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Synonyms

  • DGP IgG
  • Screen Profile
  • tTG IgA

Specimen Requirements

Specimen

Serum

Volume

1.0 mL

Minimum Volume

0.5 mL (Note: This volume does not allow for repeat testing)

Container

Gel-barrier tube, red-top tube or serum transfer tube

Collection

Specimen should be free of bacterial contamination, hemolysis and lipemia.

Storage Instructions

Room temperature

Stability Requirements

Temperature

Period

Room temperature

14 days

Refrigerated

14 days

Frozen

14 days

Freeze/thaw cycles

Stable x3

Test Details

Use

This test is used in the detection of antibodies to aid in the diagnosis of gluten-sensitive enteropathy (GSE), such as celiac disease and dermatitis herpetiformis.

Methodology

Enzyme immunoassay (EIA)

LOINC® Map

Order Code Order Code Name Order Loinc Result Code Result Code Name UofM Result LOINC
164107 tTG IgA/DGP IgG Combo Screen 164643 t-Transglutaminase (tTG) IgA U/mL 31017-7
164107 tTG IgA/DGP IgG Combo Screen 161693 Deamidated Gliadin Abs, IgG units 58710-5

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