2 working days
Fluoresence Immunoassay
Do not use EDTA-containing tube or device to collect samples.
Accredited NRL Laboratory
Monday to Friday
Measures TSH levels. First-line test for thyroid disorders.
Dried Blood Spot
At least 2 DBS circles (1 cm diameter each) should be filled with free-flowing blood
Approved filter paper collection cards provided by NRL
No special preparation is required for this test. You may eat, drink, and take your medications as normal, unless instructed otherwise by your healthcare provider.
The blood should be collected on 903 filter Paper (preferred), or 226 filter paper (acceptable) and allowed to dry at room temperature for four hours. Keep the paper card horizontal (on flat surface) during drying.
| Temperature | Period |
|---|---|
| Room temperature | 2 days |
| Refrigerated | 7 days |