Test Code 32B Microalbumin Creatinine Ratio Urine
Additional Codes
ALAB: MACRU
PowerChart: Microalbumin + Creatinine Urine
MA Cerner: Urine Microalbumin/Creatinine.
Specimen Requirement
2 mL random urine is required.
Additional Specimen Collection Information
Collect a random urine specimen in a plastic container. No preservative required. Label the tube with patient name and 2 forms of identification (a patient ID number and DOB). Store the urine specimen refrigerated and transport to the lab within 48 hours.
Labs submitting specimens to MercyOne should aliquot 10 ml and send in a plastic transport tube. Label the tube with patient name and 2 forms of identification (a patient ID number and DOB). Store the urine specimen refrigerated and transport to the lab within 48 hours.
Useful For
Assessing the potential for early onset of nephropathy in diabetic patients
Performance
MercyOne:
Testing is performed Monday through Sunday.
Typically completed within 4 hours after the specimen arrives at the testing site.
MA:
Testing is performed as specimens are received in the lab.
Routine: Typically completed within 4 hours after the specimen arrives at the testing site.
STAT: Typically completed within 30 minutes after the specimen arrives at the testing site.
CPT Code Information
82043 Chemistry: Albumin, urine, microalbumin; quantitative
82570 Chemistry: Creatinine; other source
LOINC Code Information
34535-5 Microalbumin/Creatinine Panel In Random Urine
Test Method
MercyOne:
Microalbumin: Turbidimetric Immunoassay; Beckman DXC880i
Creatinine: Jaffe Rate; Beckman DXC880i
MA:
Microalbumin: Immunoturbidimetric Method; Roche Cobas 6000
Kinetic Colorometric Method; Roche Cobas 6000
Reference Values
Microalbumin: < 1.9 mg/dL
Creatinine: Not established for random specimens; results are subject to interpretation by the clinician.
Microalbumin/Creatinine Ratio:
Male: Less than (<) 17 mg/g
Female: Less than (<) 25 mg/g.