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Urine tests (Biochemistry)

If the assay required is NOT listed then please contact the department directly. All results are reported with reference ranges and/or an interpretative comment. Advice on appropriate requesting and interpretation of results is available at all times from the Duty Biochemist.

Indicative turnround times are given for non-urgent situations. It may be possible to expedite results by discussing the clinical situation with the laboratory consultant staff.

If a required test is not listed here, please discuss with the laboratory consultant staff.

*for full referral address refer to Appendix 1

Available tests
Test Sample Adult
Reference range
Referral site code* Turn
around Time
Comments
Test 5 hydroxy indole acetic acid (5HIAA) Sample 24h urine (Acetic Acid Bottle) Adult
Reference range
0 - 50 µmol/24hr
Referral site code* Turn
around Time
2-3 weeks
Comments
Test Adrenaline Sample No longer available – refer to urine metanephrines Adult
Reference range
Referral site code* Turn
around Time
Comments
Test Albumin Creatinine Ratio (microalbumin) Sample 20 mL white top universal Adult
Reference range
0 - 3.5 mg/mmol (female)
0 - 2.5 mg/mmol (male)
Referral site code* Turn
around Time
<3 working days
Comments
Test Calcium Sample 24h urine (HCl Bottle) Adult
Reference range
2.5 - 7.5
mmol/24hrs
Referral site code* Turn
around Time
<3 working days
Comments
Test Catecholamines Sample No longer available – refer to urine metanephrines Adult
Reference range
Referral site code* Turn
around Time
Comments
Test Chloride Sample 24hr urine (Plain Bottle) Adult
Reference range
Referral site code* Turn
around Time
<3 working days
Comments
Test Citrate Sample 24h urine (HCl Bottle) Adult
Reference range
Male
0.6 - 4.8mmol/24hr
Female
1.3 - 6.0mmol/24hr
Referral site code* UCLH Turn
around Time
1 week
Comments Ranges vary in children
Test Copper Sample 24h urine (acid washed bottle) Adult
Reference range
less than 0.7  µmol/24
hr
Referral site code* GUI Turn
around Time
2 weeks
Comments
Test Cortisol (urine free Cortisol, UFC) Sample 24 hr urine (Plain bottle) Adult
Reference range
0-146 nmol/24hr
Referral site code* Turn
around Time
1 week
Comments
Test Cotinine Sample 20 mL white top universal Adult
Reference range
Interpretation with report
Referral site code* WTS Turn
around Time
2 weeks
Comments
Test Creatinine Sample 24 hr urine (Plain bottle) Adult
Reference range
Referral site code* Turn
around Time
<3 working days
Comments Not normally requested alone – part of other profiles
Test Creatinine  Clearance Sample Adult
Reference range
90-120 ml/min
Referral site code* Turn
around Time
<3 working days
Comments Please send paired serum sample for creatinine
Test C-Peptide (random urine) Sample 20mL red top universal (5ml minimum volume required) Adult
Reference range
Interpretation with report
Referral site code* NOT Turn
around Time
2 weeks
Comments
Test Deoxypyrodinoline Sample 20 mL white top universal – note protect from light Adult
Reference range
Interpretation with report
Referral site code* NNUH Turn
around Time
6 weeks
Comments By prior arrangement with Duty Biochemist only
Test Diuretic Screen Sample Random urine Adult
Reference range
Interpretation with report
Referral site code* BCH Turn
around Time
3 weeks
Comments
Test Dopamine Sample Not available Adult
Reference range
Referral site code* Turn
around Time
Comments
Test Drugs of abuse screen.  This screen detects amphentamine, cocaine, marijuana, benzodiazepines, tricyclic antidepressants,
barbiturates, metamphetamines, morphine, methadone and methylemedioxymethamphetamine
Sample 20 mL white top universal Adult
Reference range
Reported as Detected or Not detected
Referral site code* Turn
around Time
<8 hours* for point of care screen
Comments Qualitative test available via point of care on site.  For a quantitative test contact Duty
Biochemist
Test Glycollate Sample 24h urine (HCl Bottle) Adult
Reference range
140 - 620 µmol/L
Referral site code* UCLH Turn
around Time
3 weeks
Comments
Test Homovanillate (HVA) Sample Plain random urine (send to the laboratory for
acidification within 12 hours of collection)
Adult
Reference range
<
2 years: 0.0-20.3 umol/mmol creat
2-7
years: 0.0-12.3 umol/mmol creat
8-15
years: 0.0-5.3 umol/mmol creat
16+
years: 0.0-4.4 umol/mmol creat
Referral site code* Turn
around Time
4 working days
Comments Available for paediatric patients only
Test Laxatives Sample 20 mL white top universal Adult
Reference range
Interpretation with report
Referral site code* BCH Turn
around Time
3 weeks
Comments Discuss case with Duty Biochemist
Test Mercury Sample 20 mL white top universal Adult
Reference range
0-5.0 nmol/mmol
Creat
Referral site code* CAR Turn
around Time
2 weeks
Comments Use for exposure to mercury vapour or inorganic mercury.
Use blood for organic mercury
Test Metanephrine [part of urine metanephrines] Sample 24h urine (HCl Bottle) Adult
Reference range
<2000 nmol/24hr
Referral site code* Turn
around Time
2 weeks
Comments
Test Magnesium Sample 24h urine (HCl Bottle) Adult
Reference range
2.4 - 6.5mmol/24hr
Referral site code* Turn
around Time
<3 working days
Comments
Test Normetanephrine [part of urine metanephrines] Sample 24hr urine (HCl Bottle) Adult
Reference range
<4900 nmol/24hr
Referral site code* Turn
around Time
2 weeks
Comments
Test N-Telopeptide Crosslinks 
NTX
Sample 20 mL white top universal Adult
Reference range
20-80 yr 15-40 BCE/mmol Creatinine
Referral site code* NNUH Turn
around Time
3 weeks
Comments
Test Osmolality Sample 20 mL white top universal Adult
Reference range
Referral site code* Turn
around Time
<6 hours
Comments Water deprivation and DDAVP tests consult Duty Biochemist
prior to commencement
Test Oxalate Sample 24 urine (HCl Bottle) Adult
Reference range
Upto  460 µmol/24hr
Referral site code* UCLH Turn
around Time
1 week
Comments
Test Paraquat Sample 20 mL white top universal Adult
Reference range
Interpretation with report
Referral site code* SHE Turn
around Time
1 week (routine)
Comments By prior arrangement with Duty Biochemist only
Test pH Sample For urine: 20
mL White Top Universal completely filled
For fluid:
blood gas syrine completely filled
Adult
Reference range
Referral site code* Turn
around Time
<8 hours*
Comments Arrange with Duty Biochemist and rush to laboratory.
Test Phosphate Sample 24h urine (HCl Bottle) Adult
Reference range
15 - 50 mmol/24hr
Referral site code* Turn
around Time
<3 working days
Comments
Test Reducing substances Sample No longer available – speak to Duty Biochemist if you wish
to discuss
Adult
Reference range
Referral site code* Turn
around Time
Comments
Test Steroid profile Sample Random urine sample Adult
Reference range
Interpretation with report
Referral site code* KCH Turn
around Time
3 weeks
Comments
Test Potassium Sample 24 h urine (plain bottle) Adult
Reference range
2 5- 125
mmol/24hrs
Referral site code* Turn
around Time
<3 working days
Comments
Test Protein Sample 24 h urine (plain bottle) Adult
Reference range
0-0.1g/24hrs
Referral site code* Turn
around Time
<3 working days
Comments
Test Sodium Sample 24 h urine (plain bottle) Adult
Reference range
40 - 220
mmol/24hrs
Referral site code* Turn
around Time
<3 working days
Comments
Test Urate Sample 24 h urine (plain bottle) Adult
Reference range
1.5 - 4.5
mmol/24hrs
Referral site code* Turn
around Time
<3 working days
Comments
Test Urea Sample 24 h urine (plain bottle) Adult
Reference range
430-710 mmol/24hrs
Referral site code* Turn
around Time
<3 working days
Comments
Test Vanillylmandelate (VMA) Sample Plain random urine (send to the laboratory for
acidification within 12 hours of collection)
Adult
Reference range
<
2 years: 0.0-11.8 umol/mmol creat
2-7
years: 0.0-8.6 umol/mmol creat
8+
years: 0.0-3.6 umol/mmol creat
Referral site code* Turn
around Time
4 working days
Comments Available for paediatric patients only