Cortisol (urinary free)

Cortisol (urinary free) is a topic covered in the Guide to Diagnostic Tests.

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Test/Range/Collection

Cortisol (urinary free), urine

10–110 mcg/24 hr

[30–300 nmol/d]

Urine bottle containing boric acid.

$$$

Collect 24-hour urine. Refrigerate during collection.

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