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Blood Sciences

Blood Test Information

Thyroid Function Tests
(a.k.a TFT)
minimum sample volume required ~ 5ml

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Test Code: TSH

Other acceptable tube types
Lithium heparin (pale green)

Special instructions
TSH will be measured in the first instance. Follow up tests, added by the laboratory, may be FT3 and/or FT4 as required from TSH result & clinical details.

Reference ranges
Please refer to individual test pages for age specific reference ranges (links below).

Linked to

Turnaround Time
2 days

Department: Biochemistry

» FT3
» FT4


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