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Geisinger Medical Laboratories Test Catalog
TISSUE TRANSGLUTAMINASE IGG AB |
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Geisinger Epic Procedure Code: LAB3164
Geisinger Epic ID: 45704
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SPECIMEN COLLECTION |
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Specimen type: |
Serum | |
Preferred collection container: |
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Alternate Collection Container: |
6 mL red-top (plain, non-serum separator) tube
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Specimen required: |
1 mL serum; minimum 0.5 mL | |
| SPECIMEN PROCESSING |
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Specimen processing instructions: |
Centrifuge serum specimens within 1 hour of collection. Transfer serum to sterile, plastic, screw-capped vial. | |
Transport temperature: |
Refrigerated. | |
Specimen stability: |
Room temperature: 7 days. Refrigerated: 14 days. Frozen: 30 days. | |
Rejection criteria: |
Grossly hemolysis. Lipemia. | |
TEST DETAILS |
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Reference interval: |
Negative <7 U/mL | |
Interpretation guide: |
Negative <7 U/mL Equivocal 7-10 U/mL Positive >10 U/mL |
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CPT code(s): |
86364 | |
| Note: The billing party has sole responsibility for CPT coding. Any questions regarding coding should be directed to the payer being billed. The CPT codes provided by GML are based on AMA guidelines and are for informational purposes only. | ||
Test includes: |
Tissue Transglutaminase Antibody, IgG. | |
Methodology: |
Enzyme Immunoassay (EIA) |
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Synonyms: |
TTGIGG, Celiac
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Clinical significance: |
Tissue Transglutaminase Antibody, IgG, is useful in diagnosing gluten-sensitive enteropathies, such as Celiac Sprue Disease, and an associated skin condition, dermatitis herpetiformis in patients who are IgA-deficient. | |
Doctoral Director(s:) |
Hoi-Ying Elsie Yu PhD, DABCC, FADLM | |
| Review Date: | 12/13/2022 | |