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A B C D E F G H I J K L M N O P Q R S T U V W X Y Z # |
Free T4 (Free Thyroxine,T4 Free)
Test CodeFT4
Preferred Specimen
1 mL Serum or Plasma (lithium heparin)
Instructions
"Separate within 2hr from the collection time.
Testing Frequency: Performed as ordered"
Testing Frequency: Performed as ordered"
Transport Container
PST, Plasma Separator
Transport Temperature
Refrigerate
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Stability: 7 days Refrigerated
Methodology
Homogenous Sequential Chemiluminescent Immunoassay
Reference Range
"M Up to 3 Days 0.97 - 1.87 ng/dL
M Up to 30 Days 0.78 - 1.52 ng/dL
M Up to 12 Months 0.89 - 1.48 ng/dL
M Up to 5 Years 0.97 - 1.25 ng/dL
M Up to 10 Years 0.93 - 1.32 ng/dL
M Up to 18 Years 0.97 - 1.25 ng/dL
M Up to 999 Years 0.76 - 1.46 ng/dL
F Up to 3 Days 0.93 - 1.44 ng/dL
F Up to 30 Days 0.81 - 1.44 ng/dL
F Up to 12 Months 0.93 - 1.4 ng/dL
F Up to 5 Years 1.01 - 1.32 ng/dL
F Up to 10 Years 0.93 - 1.25 ng/dL
F Up to 15 Years 0.89 - 1.2 ng/dL
F Up to 18 Years 0.93 - 1.25 ng/dL
F Up to 999 Years 0.76 - 1.46 ng/dL"
M Up to 30 Days 0.78 - 1.52 ng/dL
M Up to 12 Months 0.89 - 1.48 ng/dL
M Up to 5 Years 0.97 - 1.25 ng/dL
M Up to 10 Years 0.93 - 1.32 ng/dL
M Up to 18 Years 0.97 - 1.25 ng/dL
M Up to 999 Years 0.76 - 1.46 ng/dL
F Up to 3 Days 0.93 - 1.44 ng/dL
F Up to 30 Days 0.81 - 1.44 ng/dL
F Up to 12 Months 0.93 - 1.4 ng/dL
F Up to 5 Years 1.01 - 1.32 ng/dL
F Up to 10 Years 0.93 - 1.25 ng/dL
F Up to 15 Years 0.89 - 1.2 ng/dL
F Up to 18 Years 0.93 - 1.25 ng/dL
F Up to 999 Years 0.76 - 1.46 ng/dL"