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Test Code URE Urea, serum

Specimen Requirements

Submit only one of the followings


Preferred
Specimen Type: Serum
Container/Tube: Gold Top (SSTII) 
Volume: 5.0mL 
Minimum Volume: 0.5mL serum
Collection Instructions: Allow specimen to clot for 30 minutes and centrifuge within 2 hours

 

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Acceptable
Specimen Type: Plasma
Container/Tube: Green Top (Li Heparin/PST)
Volume: 4.5mL
Minimum Volume: 0.5mL plasma
Collection Instructions: Centrifuge within 2 hours

Sample Stability

** Preferred temperatures for storage prior to and during shipping to NUH **

 

Specimen Type: Serum
Ambient: 7 days
Refrigerate: 7 days
Frozen: 1 year

 

Reference Interval

 

Age Male Female
0 - 14 days 1.0-8.2 mmol/L
15 days - <1 yr 1.2-6.0 mmol/L
1  - 9 yrs 3.2-7.9 mmol/L
9 - 18 yrs 2.6-7.5 mmol/L 2.6-6.8 mmol/L
19 - 49 yrs 3.2-7.4 mmol/L 2.5-6.7 mmol/L
≥50 yrs 3.0-9.2 mmol/L 3.5-7.2 mmol/L

 

 

Days and Times Performed

24 hours, TAT 1 day

Methodology

Urease

Service Code

31116

Update

Last updated 26/02/2022

Unacceptable Condition

 

Haemolysis NA
Icterus NA
Lipaemic NA
Others NA

 

Testing Laboratory

National University Hospital

Clinical Chemistry, 67724346

Useful For

Assessment of Renal function. Evaluation of protein metabolism.