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HelpTest Code TGG TIS TRANSGLUT IgG Ab
Infectious
Additional Codes
N/A
Specimen and Container/Tube
Blood
Red top
Volume
Preferred Volume
2 mL
Specimen Minimum Volume
1 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.
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: <15 U/mL
Positive: greater than or equal to 15 U/mL
Turnaround Time
24 hours upon receipt in the Microbiology/Immunology laboratory.
Clinical Indications
Celiac Disease
Methodology
Multiplex Beads Immunoassay
CPT Codes
83516
LOINC Codes
31383516
Synonyms/Search Keywords
Celiac
Last Reviewed Date
08/11/2025
Additional Information
N/A