24 hr urine in 15 mL 50% HCl
Minimum aliquot volume: 30 mL urine
Total 24 hr urine volume must be clearly indicated
Spectrophotometry
≥ 13 yrs : 1.97 - 4.94 mmol/day
Mean = 4 hrs, Range: 3 – 5 hrs
Monday - Saturday
23 Apr 2020 8:00 AM
Specimen Required, Reference Interval and Remarks are updated on 23 Apr 2020.
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