Geisinger Medical Laboratories/Geisinger Proven Diagnostics Test Catalog

Order Display Name: Geisinger Epic Procedure Code Or ID CPT Code:  

TISSUE TRANSGLUTAMINASE IGG AB

ORDERING INFORMATION:
Geisinger Epic Procedure Code: LAB3164         Geisinger Epic ID: 45704

SPECIMEN COLLECTION
Specimen type:
Serum
Preferred collection container:
Alternate Collection Container:
6 mL red-top (plain, non-serum separator) tube
Specimen required:
1 mL serum; minimum 0.5 mL
Special notes:
Specimen must be received in Lab within 45 minutes so processing can begin.

SPECIMEN PROCESSING
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: 4 days. Refrigerated: 7 days. Frozen: 30 days.
Rejection criteria:
Grossly hemolysis. Lipemia. Microbially contaminated serum. Specimens containing heavy visible particles. Heat-inactivated samples.

TEST DETAILS
CPT code(s):
83516
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:
Immunoassay
Synonyms:
Quest test code 11070
TTGIGG
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.

Performing Locations

Quest Diagnostics

Technical Lead: Michael Weaver    
Frequency: Tuesday-Saturday morning    
Performed stat? No
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