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HelpTest Code UA Uric Acid, serum
Additional Codes
| Epic Ordering Code | LAB141 |
| NBS code | LBC05039 |
| Service code | 31121 |
Specimen Requirements
Submit only one of the following:
| Preferred: | Acceptable: |
| Yellow Top | Light Green Top |
Additional information: For patients on rasburicase treatment, please order Uric Acid (patients on Rasburicase) [UARAS].
Processing Requirements
Allow specimen to clot for 30 mins (Yellow Top) and centrifuge within 2 hours
Specimen type: Serum/Plasma
Volume: 0.5mL
Specimen Stability
| Specimen Type | Serum/Plasma |
|---|---|
| Ambient | 8 hours |
| Refrigerate | 3 days |
| Frozen | 3 months |
Specimen Condition
| Haemolysis | OK |
|---|---|
| Icterus | OK |
| Lipaemia | OK |
| Others | Not applicable |
Methodology
Enzymatic Assay
Days and Times Performed
24 hrs, TAT 1 day
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.
Update
Last updated 28/07/2026
LOINC Code Information
14933-6