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KK Women's and Children's Hospital Our Specialties Elab Book Urea, serum

Urea, serum

BC0331

Synonym(s):
×
Specimen Container
Gel separator tube (Adult)
Microtube (Paeds)
Specimen Requirement

Plain Blood
Adult: 5 mL
Paediatric: 1.3 mL


Invert blood 5 times after blood collection ensures the clot-activating factors is well mixed with the blood. This will ensure results are reliable.

Orderable as Urgent? Yes
Turn Around Time
Stat: Average 45 mins (30 mins - 1 hr)
Routine: Average 2 hrs (1 - 3 hrs)
Reference Value(s)

 

Age

Reference Range (mmol/L)

Female

Male

0 - <15 days

1.0 - 8.2

15 days - <1 year

1.2 - 6.0

1 year - <10 years

3.2 - 7.9

10 years - <19 years

2.6 - 6.8

2.6 - 7.5

≥19 years

2.4 - 7.0
Testing Laboratory Location KKH
Laboratory Clinical Chemistry
Contact Number 6394 1383
Day and Time Performed
Daily, 24 hrs
Orderable on CPOE? Yes
Downtime Form

Clinical Chemistry - Form A

Change History Notes

  • 12 Jul 2024 12:00 PM

    Updated Reference Value(s).

  • 27 May 2024 08:00 AM

    Update of Specimen Requirement.

  • 16 Nov 2021 10:00 AM

    ​Updated Specimen Requirement and Orderable as STAT.

Back: eLab Book (Test Catalogue)

Last Updated - 28 May 2025

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