Calcium & Phosphate (Urine)

Test investigation

Calcium & Phosphate (Urine)

Laboratory offering test

NNUH

Units

mmol/24h

Comments precautions

Acid container required

Sample type

24-Hour urine collection bottle (acid preservative)

Turnaround times (TAT) Urgent/Routine/GP or OPD

24-hr urine calcium: Within 4 hours/8 hours 24-hr urine phosphate: At least once weekly

Reference intervals

Urine calcium excretion: 2.5 – 7.5 mmol/24h Urine phosphate excretion: 15 – 50 mmol/24h