Thyroid Stimulating Hormone Receptor Antibody (TRAb)
2002734
Ordering Recommendation
Acceptable testing for autoimmune thyroid disease.
Mnemonic
TR AB
Methodology
Quantitative Electrochemiluminescent Immunoassay
Performed
Sun-Sat
Reported
1-2 days
New York DOH Approval Status
This test is New York DOH approved.
Submit With Order
ARUP Consult®
Disease Topics
Specimen Required
- Patient Preparation
- Collect
- Serum separator tube.
- Specimen Preparation
- 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. Transfer 1 mL serum to an ARUP Standard Transport Tube. (Min: 0.3 mL)
- Storage/Transport Temperature
- Frozen. Separate specimens must be submitted when multiple tests are ordered.
- Unacceptable Conditions
- Plasma. Grossly hemolyzed or lipemic specimens.
- Remarks
- Stability
- Ambient: 24 hours; Refrigerated: 72 hours; Frozen: 1 month
Reference Interval
Less than or equal to 1.75 IU/L
Interpretive Data
Note
Hotline History
View Hotline History
CPT Code(s)
Components
Component Test Code* | Component Chart Name | LOINC |
---|---|---|
2002735 | TSH Receptor Antibody | 5385-0 |
Aliases
- Anti-Thyrotropin
- Anti-TSHR
- Antibodies to TSH receptor
- Inhibitory Immunoglobulin
- TBII
- TBII (Thyrotropin-Binding Inhibitory Immunoglobulin)
- Thyroid Stimulating Immunoglobulin
- Thyroid-Stimulating Hormone Receptor (TSH Receptor) Antibody
- Thyrotropin Receptor Antibody
- TRAb
- TSH Receptor Antibody
- TSH Receptor Blocking Antibody