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TISSUE TRANSGLUTAMINASE ANTIBODY, IgG
Number 698
CPT Code 83520
Alias TTG IGG
Specimen Container SST
Specimen Type Serum
Turn Around Time
Days Performed
Reference Range Negative: <6 units/mL
Alternate Specimen Red Top
Volume 1 mL Serum
Stability Ambient 14 Days
Stability Refrigerated 14 Days
Stability Frozen 14 Days
Patient Preparation
Methodology
Enzyme immunoassay (EIA)
Limitations
A negative result does not rule out celiac disease. The inclusion of the tTG IgG autoantibodies is important because it is not uncommon for celiac patients to be IgA deficient. Results of this assay should be used in conjunction with clinical findings and other serological tests.
Rejection Criteria
Hemolysis; lipemia; gross bacterial contamination
Additional Instructions
Performing Laboratory Reference Laboratory
TagsTTG