Ft3

Author:Prof. Dr. med. Peter Altmeyer

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Last updated on: 29.10.2020

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Synonym(s)

free T3; free triiodothyronine

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General informationThis section has been translated automatically.

Thyroid hormones are only biologically available and effective in free form. The majority of thyroid hormones are protein-bound. The advantage of the determination of free hormones is the independence of the binding capacity and concentration of the transport proteins (e.g. thyroxine-binding globulin).

LaboratoryThis section has been translated automatically.

test material: serum, plasma

Determination method: highly sensitive immunoassays

Reference values for fT3:

adults: 3,5-9 pmol/l

Elevated values: manifest hyperthyroidism

Decreased values: manifest hypothyroidism

LiteratureThis section has been translated automatically.

  1. Böhm BO (2018) Thyroid hormones. In: Neumeister B et al. (Eds) Clinical guide to laboratory diagnostics. Elsevier GmbH S. 298-299

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Last updated on: 29.10.2020