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Test Code UA Uric Acid, 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.

 

For patients on rasburicase treatment, please order LAB3042640012 - NGEMR URIC ACID (PATIENTS ON RASBURICASE).

 

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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: For patients on rasburicase treatment, please order LAB3042640012 - NGEMR URIC ACID (PATIENTS ON RASBURICASE).

Sample Stability

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

 

Specimen Type: Serum/Plasma
Ambient: 8 hours
Refrigerate: 3 days
Frozen: 3 months

 

Reference Interval

 

Age Male (µmol/L) Female (µmol/L)
0 to <15 days 170 – 750
15 days to <1 year  90 – 370
1 year to <3 years 11 – 290
3 years to <5 years 120 – 290
5 years to <9 years 110 – 300
9 years to <11 years 140 – 320
11 years to <13 years 150 – 340
≥ 13 years 220 – 450 150 – 370

 

 

Days and Times Performed

24 hours, TAT 1 day

Methodology

Uricase

Service Code

31121

Update

Last updated 15/10/2024

Updated on Reference interval & Sample stability

Unacceptable Condition

 

Haemolysis NA
Icterus NA
Lipaemic NA
Others NA

 

Testing Laboratory

National University Hospital

Clinical Chemistry, 67724346

Useful For

Diagnosis of Gout and other disorders of uric acid.