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ACCURACY-BASED URINE - ABU
Analytes/procedures in bold type are regulated for proficiency testing by the Centers for Medicare & Medicaid Services (CMS).
Challenges per Shipment
Number of Shipments
Two shipments per year
Urine albumin, quantitative
Urine albumin:creatinine ratio
Target values for albumin are obtained by LC-MS/ MS after trypsin digestion, performed by the Renal Testing Laboratory, Mayo Clinic, Rochester, MN, using calibration materials prepared from human serum albumin (>99% pure).
Other analytes will be compared by peer group for harmonization purposes.