Ft3

Author:Prof. Dr. med. Peter Altmeyer

All authors of this article

Last updated on: 29.10.2020

Dieser Artikel auf Deutsch

Synonym(s)

free T3; free triiodothyronine

Requires free registration (medical professionals only)

Please login to access all articles, images, and functions.

Our content is available exclusively to medical professionals. If you have already registered, please login. If you haven't, you can register for free (medical professionals only).


Requires free registration (medical professionals only)

Please complete your registration to access all articles and images.

To gain access, you must complete your registration. You either haven't confirmed your e-mail address or we still need proof that you are a member of the medical profession.

Finish your registration now

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

Authors

Last updated on: 29.10.2020

Author: Prof. Dr. med. Peter Altmeyer