T3 Total


Sunquest Code:T3  
Epic Code:LAB136Epic Name:T3 Total
Synonyms:Total Thyroid; Triiodothyronine; TFT
Methodology:Chemiluminescent immunoassay
CPT Code:84480
Turnaround Time:Performed and reported 24 hours/day.


Collection Instructions

Specimen:Blood
Optimal Volume:2.5 mL
Minimum\Peds Volume:0.6 mL
Container:Red or gold (gel) (Red (no gel))
Causes for Rejection:Moderate hemolysis


Processing and Shipping

Specimen Processing:Centrifuge and aliquot 1.25 mL, 0.2 mL minimum. Store in refrigerator or freezer.
Shipping Instructions:Ship at refrigerated temperature to arrive within 24 hours. Alternatively, ship on dry ice.
Stability:Stability: Room temperature - 8 hours; refrigerated - 24 hours; frozen - indefinitely.
Test Performed at or Referral Lab Chemistry  (UMMC-East Bank, Grand Itasca GICH)


Interpretive

Reference Range:
 
Age  
1-5 years 105-269 ng/dL
6-10 years 94-241 ng/dL
11-15 years 83-213 ng/dL
Adult 60-181 ng/dL
GICH: All ages 87-178 ng/dL
Use:Only for confirmation of suspected hyperthyroidism.


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