Test Code 62871423 T3 Free
Performing Laboratory
Torrance Memorial Laboratories
Specimen Requirements
Submit the following specimen:
Specimen Type: Serum
Container/Tube: Serum gel
Spin Instructions: Allow to sit for 30 minutes prior to spinning. Spin within 2 hours of collection.
Also acceptable: Red top tube
Specimen Transport Temperature
Refrigerated
Storage Temp Stability:
Refrigerated Temperature: 6 days
Methodology
Chemiluminescent Immunoassay
Reference Range
New reference range effective 6/22/2021
1.58 – 3.91 pg/mL
Day(s) Test Set up/TAT
Performed:
Daily
Available STAT
TAT:
STAT: <1 hr
Routine: < 4 hrs
Aliases
FT3, Free T3
CPT Code
84481