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MICROALB/CREAT RATIO, URINE

Test Code
MCUC
 
SynonymsMicroalbumin/Creatinine Ratio, Urine
SPECIMEN REQUIREMENTS
Container TypeLeakproof plastic urine container or 24 hour dark plastic urine container
Supply Item Numberpicture1387 or picture1108
Specimen TypeRandom, first morning or 24 hour urine collection
Preferred Volume40 mL
Emergency Minimum Volume3 mL
Collection Procedure40 mL aliqout of random, first morning or 24 hour urine collection in a leakproof plastic urine container for random specimens or a 24 hour dark plastic urine container for 24 hour collections. Refrigerate during collection.
Store and TransportRefrigerated
StabilityRefrigerated 2 weeks  
Alternate SpecimensUrines preserved in the boric acid tubes (BD C&S tubes)
LimitationsOptimal urine sample should be free of contaminants including red blood cell contamination.
CPT Codes82043, 82570
Interface Order Code84999.Z136
Billing CodeMALBCR
Test ScheduleMon-Sat
Turnaround Time1-2 days
MethodImmunoturbidimetric, Colorimetric (IDMS Traceable), Calculation
Reference Ranges
TitleGenderDescriptorRangesUnits
Microalbumin, Urine Random< 20mg/L
Creatinine, Urine RandomMale39-259mg/dL
Female28-217
Microalbumin/Creatinine RatioNormal-Repeat yearly< 30mg/g
Increased risk for diabetic nephropathy. Two of three A/C ratios in this range indicate microalbuminuria30-300
Two of three A/C ratios in this range confirms overt clinical nephropathy> 300

Interface Codes
typeorder codetest descriptionresult coderesult descriptionunitsdecimal placesloinc code
o84999.Z136Microalb/Creat Ratio, Urine
r84999.Z136Microalb/Creat Ratio, Urine82043.Z2Microalbumin, Urine, mg/Lmg/L014957-5
r84999.Z136Microalb/Creat Ratio, Urine82570.Z14Creatinine, Urine, mg/dLmg/dL02161-8
r84999.Z136Microalb/Creat Ratio, Urine84999.Z266Ratiomg/g014959-1

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