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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 # |
T3 Uptake
Test Code861
CPT Codes
84479
Preferred Specimen
1 mL serum
Minimum Volume
0.5 mL
Other Acceptable Specimens
Plasma collected in: Sodium heparin (green-top) or lithium heparin (green-top) tube
Transport Container
Plastic screw-cap vial
Transport Temperature
Room temperature
Specimen Stability
Room temperature: 7 days
Refrigerated: 10 days
Frozen: 28 days
Refrigerated: 10 days
Frozen: 28 days
Methodology
Immunoassay (IA)
Setup Schedule
Set up: Daily; Report available: Next day
Reference Range
22-35 %
Clinical Significance
Decreased: Pregnancy, estrogens, hyperproteinemia, acute intermittent porphyria.
Increased: Androgens, hyperproteinemia, stress, acute liver disease.
This assay is a measure of available thyroid hormone binding sites and should be interpreted with thyroxine levels.
Increased: Androgens, hyperproteinemia, stress, acute liver disease.
This assay is a measure of available thyroid hormone binding sites and should be interpreted with thyroxine levels.
