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eDH Procedure Code(s)
LAB723 Tissue Transglutaminase, IgA
Test Information
Semi-quantitative measurement of IgA autoantibodies directed against tissue transglutaminase (TTG) to aid in the diagnosis of celiac disease.
Specimen Information
| Specimen Type | Specimen Source | Acceptable Containers | Minimum Test Volume (mL) | |
|---|---|---|---|---|
| Blood | Blood, Venous | Gold-R | 0.2 | |
Shipping and Handling
Processing Instructions: N/ATransport Temperature: Refrigerated
Transport Instructions: N/A
Specimen Stability Unprocessed
Unprocessed: 2 hours
Specimen Stability Post Processing
Ambient: 2 days
Refrigerate: 14 days
Frozen: 1 year
Test Components
| Component | LOINC Code |
|---|---|
| TTG IGA AB | 31017-7 |
Turnaround Time (TAT)
72 Hours
CPT Code(s)
86364
Performing Lab Section
Special Chemistry
Performing Lab(s)
Dartmouth Hitchcock Medical Center Laboratory (MHMH)