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HelpTest Code TTGAB TTG IgA Antibodies (Tissue Transglutaminase)
Additional Codes
N/A
Specimen and Container/Tube
Blood
Red top
Specimen Handling and Transport Instructions
Offsite Collection Instructions
Collect blood from venipuncture. Fill red top tube and transport to UCMC. If transport is > 2 hours, refrigeration is required.
Rejection Criteria
Gross hemolysis
Gross lipemia
Gross icterus
Reference Values
Negative <4.0U/mL
Weak Positive 4-10 U/mL
Positive >10 U/mL
Critical Values
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N/A
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Turnaround Time
Day(s) Performed
Monday and Friday
CPT Codes
83516
LOINC Codes
31283516
Volume
Preferred Volume
4 mL
Specimen Minimum Volume
2 mL
Pediatric Volume
2 mL
Collection Instructions
Offsite Collection Instructions
Collect blood from venipuncture. Fill red top tube and transport to UCMC. If transport is > 2 hours, refrigeration is required.
UCMC Collection Instructions
Collect blood from venipuncture. Fill red top tube completely and send to the laboratory.
Test Components
Serum
Clinical Indications
Celiac Disease
Methodology
Enzyme Immunoassay (EIA)
Synonyms/Search Keywords
Tissue Transglutaminase
Last Reviewed Date
08/13/2024