|
Thyroid Stimulating & Blocking Immunoglobulin Bioassay
|
|
General
|
| |
Clinical Use:
|
Bioassay to assess presence of stimulating and blocking thyroid receptor antibodies which can be associated with hyperthyroidism and hypothyroidism.
See TRAB for routine TSH Receptor Ab and TSI for Thyroid Stimulating Immunoglobulin requests. |
| |
Availability:
|
Samples are batched and tested once a month. |
| |
|
| |
Code:
|
XMISC |
| |
Handling Instructions (to laboratory):
|
Send sample chilled. |
| |
Hyperlink:
|
|
| |
Reference Interval:
|
TSI (Stimulating Ab) Normal < 140% Sample to Reference Ratio (SRR)
TBI (Blocking Ab) Normal < 34% Inhibition
|
Collection Requirements
|
| |
Container:
|
Serum Sep. Tube-SST (GOLD), |
| |
Sample Type:
|
See container |
| |
Minimum Collection Volume:
|
5mL |
| |
Collection Instructions:
|
|
Processing Requirements
|
| |
Alternate Containers:
|
|
|
|
|
Serum, no gel (RED) |
| |
Processing Instructions:
|
Centrifuge, separate and freeze sample. |
| |
Minimum Assay Volume:
|
300uL |
| |
Stability:
|
|
| |
Transport Instructions (to testing laboratory):
|
Send separated sample frozen on dry ice.
Requests should be reviewed by Duty Biochemist prior to transport. |
Testing Locations
|
| |
Performed at:
|
|
Section
|
Department
|
Site
|
Contact Phone
|
| - |
Laboratory |
SSWPS-Royal Prince Alfred Hospital |
(02) 9515 8279 |
|
Last Updated : 19-12-2025 11:43 |