Albumin, 24-Hour Urine without Creatinine
Test Code
4555
82043
In-home collection is not available in your area through Quest Mobile.
Clinical Significance
Albumin, 24-Hour Urine without Creatinine - Albumin excreted in the urine (Microalbumin) is a sensitive marker of nephropathy. It is used to screen for early renal disease in diabetic patients.
Test Details
CPT code 81050 may be added at an additional charge for volume measurement
Methodology
Turbidimetric
Reference Range(s)
| Albumin, 24-hour Ur | <30 mg/24 h |
| Albumin, 24-hour Ur | <20 mcg/min |
Preferred Specimen(s)
5 mL urine aliquot from a well mixed 24-hour urine collection - no preservative
Alternative Specimen(s)
Urinalysis transport tube (yellow-top, blue fill line, preservative tube)
Minimum Volume
2 mL
Collection Instructions
Specify 24-hour total volume on container and test requisition.
Note: Exercise within 24 hours, infection, fever, congestive heart failure, marked hyperglycemia, and marked hypertension may elevate urinary albumin excretion over baseline values.
Transport Container
Plastic urine container
Transport Temperature
Room temperature
Specimen Stability
- Room temperature: 7 days
- Refrigerated: 14 days
- Frozen: 6 months
Reject Criteria
Acid preserved urine
Setup Schedule
5 mL urine aliquot from a well mixed 24-hour urine collection - no preservative
Urinalysis transport tube (yellow-top, blue fill line, preservative tube)
2 mL
Specify 24-hour total volume on container and test requisition.
Note: Exercise within 24 hours, infection, fever, congestive heart failure, marked hyperglycemia, and marked hypertension may elevate urinary albumin excretion over baseline values.
Note: Exercise within 24 hours, infection, fever, congestive heart failure, marked hyperglycemia, and marked hypertension may elevate urinary albumin excretion over baseline values.
Plastic urine container
Room temperature
Room temperature: 7 days
Refrigerated: 14 days
Frozen: 6 months
Refrigerated: 14 days
Frozen: 6 months
Acid preserved urine