Oxalate (urine)


 

Alternative names, keywords

 

Samples required

24 hour urine collection in acidified container.

Instructions for 24h urine collection available here or on UHSussex public site.

Avoid vitamin C supplements for 3 days before collecting sample.

Test indications

Recommended as part of renal stone former investigations.

Reference range

Up to 14 years

140 - 420 µmol/24h

Adult female

40 - 320 µmol/24h

Adult male

80 - 490 µmol/24h

It is recommended to consider this in conjunction with other factors, especially urine calcium, to prevent recurrence.

 

Turnaround time

1 month

Enquiries

Biochemistry (Special Chemistry)