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CPT Code(s):
82043
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Specimen Container:
24-hour urine container
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Preferred Specimen:
5 mL urine (2 mL minimum)
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Instructions:
Exercise within 24 hr, infection, fever congestive heart failure, marked hyperglycemia and marked hypertension may elevate urinary albumin excretion over baseline values.
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Transport Temperature:
Refrigerated
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Specimen Stability:
Frozen: 6 months
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Reject Criteria:
Room temperature
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Methodology:
Turbidimetric
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Reference Range:
The ADA (Diabetes Care (1997) 20:S24-S27) has defined abnormalities in albumin excretion as follows:
Normal: < 30 mg/24 hours
Microalbuminuria: 30 - 299 mg/24 hours
Clinical albuminuria: > or = 300 mg/24 hours
The ADA recommends that at least two of three specimens collected within a 3-6 month period be abnormal before considering a patient to be within a diagnostic category.
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