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HelpTest Code CREU Creatinine, urine
Laboratory Code
LAB384
Specimen Requirements
Specimen Type: Urine
Container/Tube: Urine cup
Volume: 100.0 mL
Minimum Volume: 30.0 mL
Collection Instructions: Collect mid-stream urine in preservative-free urine container.
Specimen Stability
| Specimen Type | Urine |
|---|---|
| Ambient | 2 days |
| Refrigerate | 6 days |
| Frozen | 6 months |
Methodology
Enzymatic Assay
Days and Times Performed
24 hrs, TAT 1 day
Specimen Condition
| Haemolysis | Not applicable |
|---|---|
| Icterus | Not applicable |
| Lipaemia | Not applicable |
| Others | Not applicable |
Reference Interval
| Age (yrs) | Male | Female |
|---|---|---|
| 3 – 5 | 1.3 – 13.4 mmol/L | |
| 6 – 11 | 1.2 – 17.3 mmol/L | |
| 12 – 13 | 1.9 – 19.0 mmol/L | |
| 14 – 29 | 1.7 – 27.0 mmol/L | |
| 30 – 79 | 1.3 – 26.0 mmol/L | 1.1 – 20.3 mmol/L |
Testing Laboratory
National University Hospital
Clinical Chemistry, 67724346
Service Code
31404
LOINC Code Information
14683-7
Update
Last updated 11/03/2025