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Microalbumin, Urine Timed
MessagePerforming Lab: Central Lab, Westfields
Test Code
3371
Alias/See Also
Sunquest: UMALT
CPT Codes
82043
Preferred Specimen
0.2 mL of a timed urine collection
Minimum Volume
0.1 mL
Instructions
Preserve timed urine collection with refrigeration.
Consult Urine Collection/Processing Information for acceptable preservatives
Consult Urine Collection/Processing Information for acceptable preservatives
Transport Temperature
Refrigerated
Specimen Stability
Refrigerated: 7 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Unacceptable preservatives
Methodology
Immunoturbidimetric, Enzymatic
Setup Schedule
Monday - Friday
Report Available
Same Day
Reference Range
<20 mcg/min
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.
