055
Test #
Comprehensive Celiac / Dermatis Herpertiformis Panel
CPT Code(s) #
86231 x2 (for screen, if titered add x1 for each titered IgG result), 83520, 86364 x2, 86258 x2
Disease Name:
GSE, Celiac Disease, Dermatitis Herpetiformis
Type of Study:
Serum
Methodology:
Indirect Immunofluorescence and ELISA
Substrate:
Primate Esophagus, ELISA plate
Reference Range:
eTg (AU/mL)
• Negative: < 16
• Grey Range: 16-22
• Positive: > 22
h-tTG IgA (U/mL)
• Negative: < 4
• Weak Positive: 4-10
• Positive: > 10
h-tTG IgG (U/mL)
• Negative: < 6
• Weak Positive: 6-9
• Positive: > 9
Gliadin IgA & IgG (Units)
• Negative: < 20
• Weak Positive: 20-30
• Moderate to Strong Positive: > 30
Units:
EMA: Titer, eTG: AU/mL, h-tTG: U/mL, Gliadin: Units
Schedule:
Assay performed once every two weeks. Report availability is within 14 days from the time of specimen receipt.
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
2-8ºC = 5 days
-25ºC to -15ºC = 1 year
Clinical Relevance:
Please see individual tests.
