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Test Code LAB137 Triodothyronine, Free (FT3)

Specimen Requirement

0.6 ml lithium heparin plasma preferred, red or sst is acceptable.

Specimen Stability

6 days at 2-8° C

6 days at -20° C

Testing Schedule

Daily

Reference Range

1.71 - 3.71 pg/mL

Testing Department

Chemistry

Method

2 Step immunoassay Chemiluminescent Microparticle Immunoassay (CMIA)

CPT Code

84481