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Lab Test Dictionary

Celiac Disease Comprehensive Panel (19955)


Immunoassay (IA); Immunoturbidimetric

Specimen Type


Performing Lab

Quest Diagnostics San Juan Capistrano

Epic ID

Other Reference Test

Collection Information

Specimen Required

2-10 mL Blood

Container Type

Red Top (No Additive)

Processing Information - Lab Use Only

Transport Temperature


Specimen Stability

Room Temp: 72 Hours; Refrigerated: 7 Days; Frozen: 21 Days

Rejection Criteria

Gross hemolysis; Gross lipemia

Test Volume Required

5 mL Serum

Minimum Test Volume

1 mL Serum

Included Tests

Tissue Transglutaminase, IgA with Reflexes; Total IgA with Reflex. If the Tissue Transglutaminase IgA is positive, Endomysial Antibody Screen (IgA) will be performed. If the Endomysial Antibody Screen (IgA) is positive, Endomysial Antibody Titer will be performed. If the Total IgA is less than the lower limit of the reference range, based on age, Tissue Transglutaminase IgG will be performed.

CPT Codes

83516, 82784; 86255; 86256; 83516