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24 Hour Timed Urine, Albumin (Microalbumin)
Test CodeTUMA
CPT Codes
82043
Preferred Specimen
24 hour Urine Collection - Entire specimen or 10 mL well mixed aliquot
Minimum Volume
10 mL aliquot of entire sample indicate total volume on aliquot
Other Acceptable Specimens
None
Instructions
Collect urine for 24 hours.
Refrigerate specimen during collection.
Starting and ending times of collection are required for processing.
Total Volume is required for processing.
Refrigerate specimen during collection.
Starting and ending times of collection are required for processing.
Total Volume is required for processing.
Transport Container
24 HR Urine Container
Transport Temperature
Refrigerated
Specimen Stability
Refrigerated 7 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Contaminated or incomplete sample
Methodology
Photometeric
Setup Schedule
Monday through Sunday; Continuously
Report Available
Same day
Reference Range
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.
