Test Category: Biochemistry
Investigation Name:Urea – Serum

Accreditation:UKAS Accredited ISO15189 : 2022, on scope
Pathology Laboratory:Clinical Chemistry/ Biochemistry
Requestable Seperately?No
Part of Profile:UE
Tests in Profile:Sodium, potassium, urea and creatinine
Lower Reference Range Limit:2.5 mmol/L
Upper Reference Range Limit:7.8 mmol/L
Units:mmol/L
Minimum Sample Volume:Adult: 1 mL ; Infant: 0.5 mL
Expected Turnaround Time:Inpatients: 4 hrs. Outpatients: 1 day (from receipt)
Test Code:UE
Sample Type:
Serum Gel Tube (Gold top)Maximum Add on Time:3 days
Complex Reference Range:Paediatric Ref Ranges:
< 4 wks 0.8 – 5.5 mmol/L
4 wks – 1 yr 1.0 – 5.5 mmol/L
1 – 16 yrs 2.5 – 6.5 mmol/L
Pregnancy <4.5 mmol/L
Referred to Another Laboratory?No
Site Sample Tested:All acute sites.
Contact Number:01902 307 999 Ext 88266