Test ID: T3UP
CPT code: 84479
LOINC: 3050-2
Specimen Type: Red or Green Gel
Frequency: Setup: Daily; TAT <24 hrs
Instructions: 0.3mL serum from red or SST. Plasma unacceptable.
Text: Diagnosis of hypo-or hyper-thyroidism in conjunction with T4.
Methodology: CHEMILUMINESCENCE