LabwiseTotal T3ng/dL
Total T3 measures all triiodothyronine, bound and free.
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What Total T3 measures
Total T3 measures all triiodothyronine, bound and free.
If your Total T3 is low
Total T3 below the range can follow illness, fasting or an underactive thyroid.
Commonly associated with
- Illness
- Fasting
- Underactive thyroid
If your Total T3 is high
Total T3 above the range is commonly associated with an overactive thyroid or higher binding proteins.
Commonly associated with
- Overactive thyroid
- Pregnancy or estrogen
- Thyroid medication
Typical reference range
| Group | Typical range |
|---|---|
| Adults | 71 – 180 ng/dL |
Typical adult values used by many US labs. Your own report prints the range your lab validated for its method, and that range is the one that counts. Labwise always uses the printed range first.
If it is within range
Your total T3 is within the range printed by your lab.
Also listed as
T3, Total, Triiodothyronine (T3), T3 (Triiodothyronine), Total
Related tests
This page is general information about what a laboratory test measures and what results outside a reference range are commonly associated with. It is not medical advice, does not diagnose any condition and does not replace your clinician. Discuss your results with your healthcare provider.