Thyroxine (T4), Total, Serum


See Also Thyroxine (T4), Free, Serum


Sample Type, Quantity & Conditions

1 ml Serum 1 ml Li, Na, NH4+-Heparin, K3-EDTA, Sodium Citrate, or Sodium Fluoride/Potassium Oxalate Plasma Stability: 7 Days at 2-8 °C 1 Month at -20 °C

Special Precautions

If not assayed within 24 Hrs of collection, freezing of sample is recommended.

Normal Range

66-181 nmol/L

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