Free T3, Serum
Tests:Free T3, Serum
Overview | |||||||||||
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| Department | Biochemistry | ||||||||||
| Test Code | PFT3 | ||||||||||
| Synonyms | FT3
Free tri-iodothyronine Tri-iodothyronine | ||||||||||
| Availability | Monday - Sunday, testing routinely available out of hours | ||||||||||
| Turnaround Time | 2hrs – 6hrs | ||||||||||
| Stability – Add test | |||||||||||
Specimen Requirements | |||||||||||
| Specimen | Serum
Plasma | ||||||||||
| Preferred | 6 mL Red-Top | ||||||||||
| Acceptable | 4 mL Green-Top | ||||||||||
| Unacceptable | |||||||||||
| Specimen Transportation | |||||||||||
| Paediatric Requirements | Li-Hep Microtainer | ||||||||||
Aliquot Requirements | |||||||||||
| Sample | Serum | ||||||||||
| Preferred Volume | |||||||||||
| Minimum Volume | 0.3 mL (1 mL serum preferred) | ||||||||||
| Aliquot Transportation | |||||||||||
Clinical Information | |||||||||||
| Reference Intervals |
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| Test Method | Abbott Alinity i series analyser using Abbott Regents. Chemiluminescent microparticle immunoassay. | ||||||||||
| Advanced Notice | |||||||||||
| Patient Preparation | |||||||||||
Comments | |||||||||||
| Owner | Clair Crossley (Crossley1) |
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| Last reviewed | 23.09.2026 |
| Next review | 23.09.2027 (OK) |