Ordering Recommendation
Acceptable secondary test 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.
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: 6 days; Frozen: 12 months
Reference Interval
Less than or equal to 1.75 IU/L
Interpretive Data
Compliance Category
FDA
Note
Hotline History
N/A
CPT Codes
83520
Components
Component Test Code* | Component Chart Name | LOINC |
---|---|---|
2002735 | TSH Receptor Antibody | 5385-0 |
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Aliases
- Anti-Thyrotropin
- Anti-TSHR
- Antibodies to TSH receptor
- Inhibitory Immunoglobulin
- TBII
- TBII (Thyrotropin-Binding Inhibitory Immunoglobulin)
- Thyroid-Stimulating Hormone Receptor (TSH Receptor) Antibody
- Thyrotropin Receptor Antibody
- TRAb
- TSH Receptor Antibody
- TSH Receptor Blocking Antibody
Thyroid Stimulating Hormone Receptor Antibody (TRAb)