Albumin/Creatinine Ratio, Urine Mnemonic U ALB/CR Synonym Microalbumin/Creatinine Ratio - Urine Albumin Random - Microalbumin Random - Albumin, Urine, Random Includes Urine Albumin (Microalbumin), Urine Creatinine, Urine Albumin/Creatinine Ratio Guidelines Order Albumin/Creatinine Ratio if needing a Random Urine Albumin. Specimen Collection Requirements Collect Urine, one sterile container without preservatives. First morning void is preferred. Supply Item Number - 135327 Also acceptable: Timed urine collection without preservatives, refrigerate during collection. Handling Remove particulates by centrifugation prior to analysis. Preferred Volume 2.0 mL urine Minimum Volume 0.5 mL urine Transport Refrigerated (2-8°C) Rejection Criteria Samples with gross hemolysis or preservatives. Samples collected using cotton balls. Stability Room Temperature (18-26°C): 48 hours; Refrigerated (2-8°C): 6 days; Frozen (≤-20°C): 28 days Do not exceed 8 freeze/thaw cycles. Testing Information Performed 7 days/week Reported 24 hours Method Immunoturbidimetry, Colorimetry Reference Values Reference Values Albumin/Creatinine Ratio: 0-29 mg/gCR CPT Codes 82043, 82570 Last Updated: Monday, September 30, 2019 10:30:16 PM Client Services: 503-413-1234