Growth Hormone

Diagnostic Testing Medical

Test name: Growth Hormone

Order Code: HGH

Preferred Specimen: 2mL serum in a Serum Separator Tube (SST or Tiger-top)

CPT Code: 83003

Collection: Allow SST to clot in an upright position for 30 min, then centrifuge sample within 2 hours of collection. Refrigerate.

Special Instructions and Considerations: Samples should not be taken from patients receiving therapy with high biotin doses (i.e. > 5 mg/day) until at least 8 hours following the last biotin administration. Not suitable for the determination of growth hormone in samples from pregnant women due to a cross-reactivity to placental growth hormone.

Transport Temperature: Refrigerated

Specimen Stability: 8 hours under room temperature; 1 day refrigerated

Causes for Rejection: Visible signs of hemolysis.

Arbor Diagnostics