Category: THYROID | Code: K4304
Free T3 (FT3)
Function
This test checks the level of the FT3 hormone. This test is useful in assisting the diagnosis of thyroid disease.
| Test Schedule | Estimated Test Result | Container | Substance | Stability |
|---|---|---|---|---|
| Monday - Saturday | 1 day | Plain | Serum, 0.5 mL | 7 days, 2-8⁰C |
Condition
Not lysate and not lipemic
Method
Immunoassay (IA)
Score Reference
<1 Month: Not established 1-23 Months: 3.3-5.2 pg/mL 2-12 Years: 3.3-4.8 pg/mL 13-20 Years: 3.0-4.7 pg/mL >20 Years: 2.3-4.2 pg/mL