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HelpTest Code UA Uric Acid, serum
Laboratory Code
LAB141
Specimen Requirements
Submit only one of the following:
Preferred
Specimen Type: Serum
Container/Tube: Gold Top (SSTII)
Volume: 5.0 mL
Minimum Volume: 0.5 mL serum
Collection Instructions: Allow specimen to clot for 30 mins and centrifuge within 2 hrs.
Acceptable
Specimen Type: Plasma
Container/Tube: Green Top (Li Heparin/PST)
Volume: 4.5 mL
Minimum Volume: 0.5 mL plasma
Collection Instructions: Centrifuge within 2 hrs.
For patients on rasburicase treatment, please order LAB3042640012.
Specimen Stability
| Specimen Type | Serum/Plasma |
|---|---|
| Ambient | 8 hours |
| Refrigerate | 3 days |
| Frozen | 3 months |
Methodology
Enzymatic Assay
Days and Times Performed
24 hrs, TAT 1 day
Specimen Condition
| Haemolysis | OK |
|---|---|
| Icterus | OK |
| Lipaemia | OK |
| Others | Not applicable |
Reference Interval
| Age | Male (µmol/L) | Female (µmol/L) |
|---|---|---|
| 0 – < 15 days | 170 – 750 | |
| 15 days – < 1 yr | 90 – 370 | |
| 1 yr – < 3 yrs | 11 – 290 | |
| 3 yrs – < 5 yrs | 120 – 290 | |
| 5 yrs – < 9 yrs | 110 – 300 | |
| 9 yrs – < 11 yrs | 140 – 320 | |
| 11 yrs – < 13 yrs | 150 – 340 | |
| ≥ 13 yrs | 220 – 450 | 150 – 370 |
Testing Laboratory
National University Hospital
Clinical Chemistry, 67724346
Useful For
Diagnosis of gout and other disorders of uric acid.
Service Code
31121
LOINC Code Information
14933-6
Update
Last updated 13/03/2025