TSH with Reflex Free T4

Test ID: TSHR

CPT code: 84443
LOINC: 11579-0
Specimen Type: SST
Frequency: Setup: Mon-Fri; TAT <24 hrs Mon-Fri Instructions: 0.5mL serum from red or SST.
Text: Abnormal TSH will reflex order a Free T4 at an additional charge.
Methodology: Solid phase, chemiluminescent immunometric assay

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