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HelpTest Code ACR Albumin : Creatinine Ratio
Laboratory Code
LAB689
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 | Not available |
| Refrigerate | 6 days |
| Frozen (-70˚C) | 5 months |
Methodology
| Albumin, urine | Immunoturbidimetry |
|---|---|
| Creatinine, urine | 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
| Male | < 2.5 mg/mmol |
|---|---|
| Female | < 3.5 mg/mmol |
| Microalbuminuria | |
|---|---|
| Male | 2.5 – 30 mg/mmol |
| Female | 3.5 – 30 mg/mmol |
| Macroalbuminuria | > 30 mg/mmol |
|---|
Monitor with Urine PCR if Urine ACR > 30 mg/mmol.
Testing Laboratory
National University Hospital
Clinical Chemistry, 67724346
Useful For
Risk factor for renal impairment.
Service Code
31405
LOINC Code Information
| Albumin, urine | 53531-0 |
|---|---|
| Creatinine, urine | 14683-7 |
| Albumin : Creatinine ratio | 77253-3 |
Alias
Albumin/Creatinine ratio
Update
Last updated 10/03/2025