Clinical background:
Investigation of stone formers.
Should only be used if renal function is abnormal, otherwise urine oxalate is preferable.
Specimen container paediatric:
EDTA plasma
Specimen container adult:
EDTA plasma
Minimum volume paediatric:
1 mL
Minimum volume adult:
1 mL
Special requirements:
Send the sample to the laboratory immediately after collection.Sample must be separated and frozen within 2 hours of collection.Plasma oxalate should only be used if the renal function is abnormal. Otherwise, urine oxalate is the preferred sample type.
Transport requirements:
Sample sent on dry ice
Other Info:
Referral Laboratory: UCLH Special Chemistry, 3rd Floor, 60 Whitfield Street, London W1T 4EU