Also known:

Total T3, Free T3, FT3

systematic name:



What sample is required?

The determination is made from a venous blood sample.

Is some kind of prior preparation necessary?

For this test you do not need any special preparation.

Why do the analysis?

As an aid in the diagnosis of hyperthyroidism.

When to do the analysis?

When a person has abnormal TSH or T4 results or presents symptoms of hyperthyroidism.

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