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HelpTest Code PCR Protein : Creatinine Ratio, urine
Specimen Requirements
Specimen Type: Urine
Container/Tube: Urine cup
Volume: 100.0 mL
Minimum Volume: 30.0 mL
Collection Instructions: Samples should be collected before fluorescein is given or at least 24 hr later. Send sample to laboratory immediately.
Specimen Stability
| Specimen Type | Urine |
|---|---|
| Ambient | 24 hours |
| Refrigerate | 6 days |
| Frozen | 1 month |
Specimen Condition
| Haemolysis | Not applicable |
|---|---|
| Icterus | Not applicable |
| Lipaemia | Not applicable |
| Others | Not applicable |
Methodology
| Total protein, urine | Turbidimetry |
|---|---|
| Creatinine, urine | Enzymatic Assay |
Days and Times Performed
24 hrs, TAT 1 day
Reference Interval
| Normal range | < 20 mg/mmol |
|---|---|
| For diabetics, monitor with Urine ACR if Urine PCR | < 50 mg/mmol |
Testing Laboratory
National University Hospital
Clinical Chemistry, 67724346
Useful For
Risk factor for renal impairment.
Service Code
31406
Update
Last updated 12/03/2025
Laboratory Code
LAB743
LOINC Code Information
| Total protein, urine | 2888-6 |
|---|---|
| Creatinine, urine | 14683-7 |
| Total Protein : Creatinine ratio (mg/mmol) | 34366-5 |