Test ID: TSH
CPT code: 84443
LOINC: 11579-0
Specimen Type: SST
Frequency: Setup: Daily; TAT <24 hrs
Instructions: 0.5mL serum from red gel tube.
Text: Prefered order is TSHR which will reflex a Free T4 if the TSH is
abnormal.
Methodology: IMMUNOASSAY