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Tissue Transglutaminase Antibody (IgG, IgA) : 11073
Test CodeTTGAG or 11073
Alias/See Also
tTG IgA Antibody, tTG IgG Antibody, Tissue Transglutaminase IgA, Tissue Transglutaminase IgG, tTG-IgA, tTG-IgG
CPT Codes
86364x2
Includes
Panel includes: IgG and IgA antibodies.
Transport Container
Preferred Specimen
1 mL serum
Minimum Volume
0.5 mL
1 mL serum
Minimum Volume
0.5 mL
Transport Temperature
Room temperature.
Specimen Stability
Room temperature: 7 days; Refrigerated: 14 days; Frozen: 30 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Gross hemolysis, grossly lipemic
Methodology
Multiplex flow Immunoassay
Setup Schedule
Monday & Wednesday & Friday
Report Available
2-4 days
Reference Range
Tissue Transglutaminase Antibody, IgG
<15.0 U/mL Antibody not detected
≥15.0 U/mL Antibody detected
Tissue Transglutaminase Antibody, IgA
<15.0 U/mL Antibody not detected
≥15.0 U/mL Antibody detected
<15.0 U/mL Antibody not detected
≥15.0 U/mL Antibody detected
Tissue Transglutaminase Antibody, IgA
<15.0 U/mL Antibody not detected
≥15.0 U/mL Antibody detected
Clinical Significance
Tissue Transglutaminase Antibody, IgA, is useful in diagnosing gluten-sensitive enteropathies, such as Celiac Sprue Disease, and an associated skin condition, dermatitis herpetiformis. The IgG test is useful in patients who are IgA-deficient. The IgG test also provides support for gluten-sensitive enteropathies beyond the IgA test.
Performing Laboratory
med fusion