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Microalbumin, Urine
MessageTest performed at York Hospital Laboratory.
Test Code
MALB
CPT Codes
82043
Includes
Microalbumin Creatinine, Urine Microalbumin / Creatinine Ratio
Preferred Specimen
1 mL random urine, submitted in a plastic leakproof container
Instructions
Do not use urine preservatives.
Transport Temperature
Refrigerated
Specimen Stability
Room temperature: 24 hours Refrigerated: 5 days Frozen: Not recommended
Methodology
Two-Point Rate Spectrophotometry
Setup Schedule
Daily
Report Available
Next Day
Reference Range
Microalbumin/Creatinine Ratio <30 ug/mg
Clinical Significance
Microalbuminuria is characterized by urinary albumin excretion above normal levels in the absence of clinically detectable nephropathy. Mildly increased excretion of albumin has been recognized to be a predictor of impending development of clinical renal disease in patients with hypertension or diabetes mellitus.