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Available Tests

  • Triiodothyronine T3 (Total)

Triiodothyronine T3 (Total)

Tube Type

Test ID   LAB136
EPIC Order
CPT Code(s)   84480
Group/Individual Test   Individual
Laboratory   Core Laboratory
Tube Station   30
Specimen Routine: 4 mL blood/serum separator/gold top blood collection tube
  Micro: 2 microcollection devices/900 µL blood
Unspun: 8 hours
Spun/separated, Room Temp-</= 8 hrs recommended
Spun/separated, Refrigerator: 7 days
Spun/separated, Frozen: 4 weeks
Availability Routine: 24 hrs/day
Turnaround Time   2 hours
Reference Range Normal: 1.0-1.7 ng/mL
Comments Testing is performed using OrthoClinical Diagnostics TT3 Immunoassay.  Heterophilic antibodies may cause interference.

Reviewed by jcarr on December 16, 2019

Note: Reference ranges provided on this web site are for guidance only, and may not reflect the most recent changes. Refer to laboratory reports for current reference data.

UNC Hospitals
McLendon Clinical Laboratories
101 Manning Drive
Chapel Hill, NC 27514