Albumin, 24h Urine

Alternative Names/Synonyms	Microalbumin, Microalbumin Daily Excretion
Laboratory	Core Laboratory & Transfusion Medicine
Sub-section	Biochemistry
Specimen Type	Urine
Test Code	MALBU

Clinical Significance

Evaluating diabetic patients for risk of early-onset nephropathy.

Specimen Requirements (Sample Type)

Urine

Specimen Requirements (Volume (mL))

0.5 mL

Specimen Requirements (Tube Type)

24h Urine Collection Container (No Additive)

Collection Requirements

Collection Instructions

Sample Stability

Room Temperature: 7 days

Fridge: 1 month @ 2-8°C

Freezer: 6 months @ -20°C

Cause for Rejection

Specimen Acceptability and Transport Guidance

Instrument, Methodology

Roche cobas c 502, immunoturbidimetric

Test Availability

24 hours a day, 7 days a week

Routine Turnaround Time

3 hours

Reference Ranges

Normal: < 15 mg/day
Borderline: 15 - 30 mg/day
Elevated: > 30 mg/day

In case of discrepancies, always interpret results using reference ranges as stated on laboratory reports and/or electronic patient chart.

Laboratory Contact Information

416-586-4800 extension 4688