7 - 10 days
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Radioimmunoassay (RIA) following hydrolysis and extraction.
Males: 3.0 - 8.0 mcg/24 hours; Females: 4.0 - 30.0 mcg/24 hours.
* Reference ranges may change over time. Please refer to the original patient report when evaluating results.
Collect 24 hour urine specimen with no preservative. Aliquot 10 mL into a plastic urine container and freeze. Record total 24 hour urine volume and collection dates/times on request form. Patient should not be on any steroid, ACTH, gonadotropin or Estrogen medications, if possible, for at least 48 hours prior to collection of specimen. Oral contraceptives and estrogen replacement therapy may influence Estrone levels.