Category: THYROID | Code: K4309
Thyroxine (T4)
Function
This test helps diagnose thyroid dysfunction.
| 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
Electrochemiluminescence Immunoassay
Score Reference
Pediatric 0-5 days: 0.9-2.5 ng/dL 6 days-2 months: 0.9-2.2 ng/dL 3-11 months: 0.9-2.0 ng/dL 1-5 years: 1.0-1.8 ng/dL 6-10 years: 1.0-1.7 ng/dL 11-19 years: 1.0-1.6 ng/dL Adult (> or =20 years): 0.9-1.7 ng/dL