Test directory: T4, Total

Ordering Code5531
Test NameT4, Total
AliasThyroxine
Preferred SpecimenSerum
Preferred ContainerSST (Gold)
Other Specimen/ContainerPlasma in Lithium Heparin (Green), Plasma in Sodium Heparin (Green)
Optimum Volume1 mL
Transport RequirementsOahu: Ambient
Airline: Ambient
Specimen StabilityAmbient: 7 Days
Refrigerated: 7 Days
Frozen: 28 Days
Rejection CriteriaSerum in plain Red (No Gel)
Avail. StatNO
Analytic TimeUp to 7 Days
MethodologyImmunoassay
Reference Lab Quest Diagnostic Lab-NI

Reference range(s)

The reference ranges listed below are valid on this date of April 23, 2024.
ComponentAgeMale NormMale Critical LowMale Critical HighFemale NormFemale Critical HighFemale Critical LowUnitsAdd'l info
T4, TotalALLSee report.