Thyroid Function Tests

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Tests:Thyroid Function Tests
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Synonym(s) TSH - if TSH is abnormal, FT4 and FT3 will be added
Specimen 4 mL Lithium Heparin (green top) or SST (gold top)
Paediatric Specimen 0.5 mL Brown, yellow, or green top - SEPARATE TUBE
Add-on conditions 6 days @ 4°C
Test Availability Mon - Sun, 24 hours
Turnaround Time Hastings 1 - 2.5 hours / Central HB 6 - 8 hours / Wairoa 12 hours
Where analysed Hastings
Department Biochemistry, (06) 878 1308 ext. 2448
Registration Code PTSH
Deletion Code 3340
Useful Information GP reqests for TFT are registered for PT4
Measurement Uncertainty Available upon request