TRH-TSH Stimulation Test

CERNER / EPIC MNEMONIC: TSH
CPT CODE: 84443
DAYS PERFORMED: Specimens accepted daily
TURNAROUND TIME:

8 hours

SPECIAL INSTRUCTIONS: Note baseline or poststimulation and time of drawing on requisition.
CONTAINER TYPE: Red top tube
SPECIMEN REQUIREMENTS: Blood (serum)
MINIMUM VOLUME: 1.0 mL blood (0.5 mL serum)
REFERENCE RANGE: Adults: baseline; 0.350-4.940 IU/mL; 30 minutes postinjection interpreted by physician
TEST SYNONYM(S):Thyroid Releasing Hormone - Thyroid Stimulating Hormone Stimulation Test; TSH Stimulation Test