Urine Collection Information

CLINICAL BIOCHEMISTRY DEPARTMENT

URINE COLLECTION INFORMATION

Patient Information Sheets Available for: Single 24 hour urine collection

Two consecutive 24 hour urine (acid and plain) collections

Test	Type	Preservative	Comments
Amino Acids	Random	None	Transport to laboratory within 15 minutes
Calcium	24 hour	Acid
Calcium Excretion	Fasting 2nd EMU	Acid	Also require blood sample Patient Information Sheet - Calcium Excretion
Catecholamines (adrenaline / noradrenaline)	24 hour	Acid	Patients should avoid foods which can interfere with the assay (bananas, pineapples, kiwi fruit, nuts and avocados.) All drugs should be recorded on request form. Patient Information Sheet - Catecholamines/5-HIAA
Citrate (Citric Acid)	24 hour	Acid	Usually part of Kidney Stone Screen
Cortisol (UFC)	24 hour	None
Creatinine	24 hour	Acid or None	May be requested together with other urine tests. Collection into plain or acid container suitable.
Creatinine Clearance	24 hour	None	Also require blood sample
Cystine	Random	None	Transport to laboratory as soon as possible. Usually part of Kidney Stone Screen
5-HIAA	24 hour	Acid	Patients should avoid foods which can interfere with the assay (Bananas, pineapples, kiwi fruit, nuts and avocados.) All drugs should be recorded on request form. Patient Information Sheet - Catecholamines/5-HIAA
Kidney Stone Screen	2 x 24hr & Random	Acid and Plain	Two 24 hour collections and random urine required Patient Information Sheet - Kidney Stone Screen
Microalbumin	3 x EMU	Plain	Specific request form required (Contact Tim Hogan)
Oxalate	24 hour	Acid	Usually part of Kidney Stone Screen
Phosphate	24 hour	Acid
Porphobilinogen	Random	Plain	Protect from light, transport to laboratory as soon as possible.
Porpyhrins	Random	Plain	Protect from light, transport to laboratory as soon as possible.
Porpyhrins - Quantitative	24 hour	Plain	Protect from light. Usually agreed with Tony Everitt
Potassium	Random or 24 hour	Plain
Sodium	Random or 24 hour	Plain
Total Protein	24 hour	Plain
Urate	Random	Plain
Urea	24 hour	Plain
VMA	Random	Plain

Last edited 07/08/08