Test Code 132 Microalbumin Urine, Timed
Additional Codes
ALAB: MAUT
PowerChart: Microalbumin Urine Timed
MA Cerner: Urine Microalbumin Timed
Test Method
MercyOne: Turbidimetric Immunoassay; Beckman DxC700AU
MA: Immunoturbidimetric Method; Roche Cobas 6000
Specimen Requirement
10 mL urine is required.
Additional Specimen Collection Information
Collect a urine specimen for the specified time in a plastic container. No preservative required. Store the urine specimen refrigerated and transport to the lab within 48 hours. Label the specimen appropriately with two identifiers, patient name and another identifier, (patient ID number, DOB, etc.) include date and time of collection. Record the time period of collection on the specimen label. Send the entire specimen to the laboratory. 24-Hour specimens are recommended but other timed collections are acceptable.
Labs submitting specimens to MercyOne should aliquot 10 mL and send in a plastic transport tube. Label the tube appropriately with two identifiers, patient name and another identifier, (patient ID number, DOB, etc.) include date and time of collection. Record the time of collection and total volume of the timed specimen on both the request form and the specimen. Store the urine specimen refrigerated and transport to the lab within 48 hours.
Performance
Testing is performed Monday through Sunday.
Typically completed within 4 hours after the specimen arrives at the testing site.
Reference Values
Total Excretion: < 30.0 mg/24 Hours
Excretion Rate: < 20.0 mcg/Min
CPT Code Information
82043 Chemistry: Albumin, urine, microalbumin; quantitative
Useful For
Evaluating diabetic patients to assess the potential for early onset of nephropathy
LOINC Code Information
14956-7 Microalbumin [Mass/Time] In 24 Hour Urine