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Thyroid Stimulating Hormone Receptor Antibody (TRAb)

Order Name TSH REC AB
Test Number: 4502225
Revision Date 05/16/2017
Test Name Methodology LOINC Code
Thyroid Stimulating Hormone Receptor Antibody (TRAb)
Electrochemiluminescent Immunoassay 5385-0 
Specimen Specimen Volume (min) Specimen Type Specimen Container Transport Environment
Preferred 1mL (0.3) Serum Clot Activator SST Frozen
Instructions Allow serum separator to sit for 15-20 minutes at room temperature for proper clot formation.
Centrifuge and separate serum from cells ASAP or within 2 hours of collection and Freeze in sterile transport tube.

Separate specimens must be submitted when multiple tests are ordered.
Unacceptable Conditions: Plasma. Grossly hemolyzed or lipemic specimens.
Stability: Ambient= 24 hours; Refrigerated= 3 days; Frozen= 1 month.
Testing Schedule Sun-Sat 
Expected TAT 2-3 Days  
Notes Positive results are consistent with autoimmune thyroid disease.
CPT Code(s) 83520
Lab Section Reference Lab