055
Test #
Comprehensive Celiac/Dermatis Herpertiformis Profile (includes EMA, etG, TG, DG)
CPT Code(s) #
86231 x2, 83520, 86354 x2, 86258 x2
Disease Name:
GSE, Celiac Disease, Dermatitis Herpetiformis
Type of Study:
Serum Studies
Methodology:
Indirect Immunofluorescence and ELISA
Substrate:
Primate Esophagus, ELISA plate
Reference Range:
eTg (AU/mL)
• Negative <16
• Grey Range 16-22
• Positive >22
tTG IgA (U/mL)
• Negative <4
• Weak Positive 4-10
• Positive >10
tTG IgG (U/mL)
• Negative <6
• Weak Positive 6-9
• Positive >9
Gliadin IgA/IgG (Units)
• Negative <20
• Weak Positive 21-30
• Moderate to Strong Positive >30
Units:
EMA: Titer, eTG: AU/mL, tTG: U/mL, Gliadin : Units
Schedule:
Assay performed once every week.
Specimen Requirements:
Collect 2-5 ml of blood in a red top Vacutainer or serum separator (SST) tube, allow blood to clot, and centrifuge. Label tube appropriately.
Sample Stability:
Room temperature = stable during shipment
2ºC to 8ºC = 5 days
-25ºC to -15ºC = 1 year
Clinical Relevance:
Please see individual tests.
