Tests:T4: Difference between revisions

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Tests:T4
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|Thyroxine, FT4, Free T4
|Thyroxine, FT4, Free T4
|-
|-
|'''Specimen'''
|'''Tube/Container Type'''
|4 mL Lithium Heparin (green top) or SST (gold top)
|4 mL green top or gold top
|-
|-
|'''Paediatric Specimen'''
|'''''
|0.5 mL Brown, yellow, or green top
|0.5 mL Paediatric brown, yellow, or green top
|-
|'''Sample Type'''
|Plasma or Serum (Clotted or LH)
|-
|'''Minimum Volume'''
|300uL plasma or serum
|-
|'''Registration Code'''
|PFT4
|-
|-
|'''Add-on conditions'''
|'''Add-on conditions'''
|48 hours @ 4°C
|6 Days
|-
|-
|'''Test Availability'''
|'''Test Availability'''
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|'''Department'''
|'''Department'''
|Biochemistry, (06) 878 1308 ext. 2448
|Biochemistry, (06) 878 1308 ext. 2448
|-
|'''Registration Code'''
|PFT4
|-
|-
|'''Deletion Code'''
|'''Deletion Code'''
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|-
|-
|'''Useful Information'''
|'''Useful Information'''
|Click Here
|[https://www.pathologytestsexplained.org.au/ptests.php?q=Free+T4+%28thyroxine%29 Click Here]
|-
|-
|'''Measurement Uncertainty'''
|'''Measurement Uncertainty'''
|Available upon request
|Available upon request
|}
|}

Latest revision as of 03:06, 1 April 2026

Synonym(s) Thyroxine, FT4, Free T4
Tube/Container Type 4 mL green top or gold top
0.5 mL Paediatric brown, yellow, or green top
Sample Type Plasma or Serum (Clotted or LH)
Minimum Volume 300uL plasma or serum
Registration Code PFT4
Add-on conditions 6 Days
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
Deletion Code 3284
Useful Information Click Here
Measurement Uncertainty Available upon request
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