Synonym(s):
24 hr urine (no preservative)
Minimum aliquot volume : 30 mL urine
Total 24 hr urine volume must be clearly indicated
Immunoassay after pre-extraction
≥ 13 yrs : 59 - 413 nmol/day
Mean = 4 hrs, Range: 3 – 5 hrs
Monday - Saturday
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