- Test Name
- Anti Thyrotropin Binding Inhibitory Antibody
- Aliases
- Thyrotropin Receptor Antibodies; TSH Binding Inhibitory Antibody
- Provincial Mnemonic
- TSHRAB
- LOINC Test Code
- 5385-0
- Description and Primary Use
- Used as an aid in investigating suspected Grave's disease, autoimmune thyroid disorders, differential diagnosis of thyroiditis and in monitoring treatment.
- Reorder interval
- N/A
- TAT
- 5 Days
- Test Cost
- $30.34
- Tier
- 2 - Conditional/Restricted Access (See Ordering Requirements)
- Ordering Requirements (Restrictions / Conditions)
Approval requires test order:
1) by endocrinologist, OBS/GYN, or Internal Medicine; or
Approval requires test order:
- By endocrinologist;
- By OBS/GYN;
- By Internal Medicine; or
- Completed LTSA Form.
Enter test name (and/or Provincial Mnemonic) into Test(s) to be performed section on the LTSA Form. Direct questions on how to order test to Specimen Dispatch (709-777-2373).
- Required Consultations
- N/A
- Algorithms and Guidelines
N/A
- Special Patient Preparation
Avoid high biotin doses (>5 mg/day) for 8 hours prior to testing. Testing cannot be performed on samples from patients undergoing sodium heparin treatment.
- Special Collection / Transport / Processing Requirements
Centrifuge and aliquot serum to a transport tube and freeze aliquot within 24 hours.
- Criteria for Rejection
Gross hemolysis
- Laboratory Service Area
- Clinical Chemistry
- Performing Laboratory / Site
- Referred out of province
- Last Updated
- 06-Nov-19