Calcium & Phosphate (Urine)

Test/Investigation

Calcium & Phosphate (Urine)

Site(s) or Laboratory offering Test/Investigation

NNUH, JPUH, QEH (Biochemistry)

Units

mmol/24h

Comments/Precautions

The volume, dates, and times of collection should be noted 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 (adult unless stated)

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

If UKAS Accredited Test indicate at which site

Y NNUH (U.Ca & U.PO4), QEH (only U.Ca)

Source

Pathology Harmony [Pathology Harmony Group, Clinical Biochemistry Outcomes, January 2011] https://www.acb.org.uk/asset/EEA82309-7E93-417D-9B8991B0C65C52FB/; accessed 09/11/2021