Test Code 24UA Uric Acid, Urine, 24 hours
Specimen Requirements
Specimen Type: 24 hours Urine
Container/Tube: The following types of 24hr urine containers are acceptable:
- No preservatives, or
- 3g Thymol
Volume: 4000mL
Minimum Volume: 20mL
Collection Instructions: Collect urine in 24-hour urine container.
Please refer to NUH's Urine Preservative Guide
Sample Stability
** Preferred temperatures for storage prior to and during shipping to NUH **
Specimen Type: | 24 hours urine |
---|---|
Ambient: | Send the sample to the laboratory immeidately. |
Refrigerate: | Not recommended |
Frozen: | Not recommended |
Reference Interval
Purine-free diet | |
---|---|
Male | < 2.5 mmol/day |
Female | < 2.5 mmol/day |
Low purine diet | |
---|---|
Male | < 2.8 mmol/day |
Female | < 2.4 mmol/day |
High purine diet | <5.9 mmol/day |
---|---|
Average diet | 1.5 - 4.4 mmol/day |
Days and Times Performed
24 hours, TAT 1 day
Methodology
Uricase
Service Code
31403
Update
Last updated 18/04/2023
Updated on Specimen requirements container/tube
Unacceptable Condition
Haemolysis | NA |
---|---|
Icterus | NA |
Lipaemic | NA |
Others | NA |
Testing Laboratory
National University Hospital
Clinical Chemistry, 67724346
Useful For
Evaluation of uric acid metabolism. Investigation of renal calculi.
Alias
24UA