CALCIUM 24 HR URINE (TCU)
: Indirect Ion Selective Electrode
: 0-150yrs: 100-300 mg/day Comment: Calcium free diet 5- 40 mg/day, Low to average diet 50- 150 mg/day, Average 800 mg/day 100-300 mg/day
: 24 hour urine container - plain
: 24 hour urine- total 24 hour collection
: Red top tube - 5 mL
: 50 mL urine (acidifed - see below)
: 15 mL urine
: Entire collection must be acidified, mixed and an aliquot sent
: Refrigerate during collection - label with beginning and ending collection times and dates- indicate total volume if an aliquot is sent. Mix specimen.
Click here to print the 24 Hour Urine Collection Guide.
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