T3 Total

Abbrev Code:T3   
Order Code:LAB136Order Name:T3 Total
Synonyms:Total Thyroid; Triiodothyronine; TFT
Methodology:Chemiluminescent immunoassay
CPT Codes: 84480 x1
Turnaround Time:Performed and reported 24 hours/day.

Collection Instructions

Optimal Volume:2.5 mL
Minimum\Peds Volume:0.6 mL
Container:Red or gold (gel), St Joseph - Green (lithium heparin, no gel)
Alternate Containers: Red (no gel), St. Joseph - 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, St. Joseph's)


Reference Range:
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.

Click HERE to Report test errors or omissions.
*If no email program is associated with this computer, please contact:
systemlabguide@fairview.org for TestID: 504"