4 - 10 days
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To determine presence of antibodies against exogenously administered growth hormone.
* Reference ranges may change over time. Please refer to the original patient report when evaluating results.
No radioisotopes should be administered 24 hours prior to venipuncture. Spin within 1 hour of collection.
Collect specimen in red top or SST tube. Centrifuge and aliquot serum into a plastic vial within 1 hour of collection. Freeze.