Laboratory test
Ft4 (Thyroxine)-Serum
Ft4 (Thyroxine)-Serum: 1 parameter from a blood sample, no fasting.
Also known as
Free T4 Test
- Sample
- Blood
- Fasting
- Not required
- Expected report time
- Same day / 24 hours
- Parameters
- 1
What is the Ft4 (Thyroxine)-Serum?
Ft4 (Thyroxine)-Serum includes Free T4 (FT4). The listed sample is Blood (Serum). The parameter table provides the available units and method details. Discuss the measurements with your clinician in the context of the investigations requested.
What does the Ft4 (Thyroxine)-Serum measure?
1 parameters. Expand a group to see the measurements, units and available method details.
Other measurements1 parameter
| Parameter | Unit | LOINC |
|---|---|---|
| Free T4 (FT4) | ng/dL | 3024-7 |
The reference interval printed on your actual laboratory report governs interpretation. Intervals can vary by laboratory, method, age, sex and pregnancy. Methods can also vary by processing laboratory.
Ft4 (Thyroxine)-Serum: sample & preparation
Sample: Blood. Fasting: Not required.
- You do not need to fast for this test. Continue your thyroid medicines as usual unless your doctor tells you to stop.
Frequently asked questions
Can I book this test for home collection?
When is the report expected?
Can I book this with other tests?
Book the Ft4 (Thyroxine)-Serum
1 parameters · No fasting required · Report time: Same day / 24 hours
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