Name: Microalbumin/Creatinine Ratio
Test Name: Microalbumin/Creatinine Ratio
Health Link Test Code: UMACR
LIS Test Code: UMACR
CPT Code(s): 82043, 82570
Microalbumin, urine creatinine and calculated ratio. The microalbumin/creatinine ratio will also be calculated and reported if a random urine creatinine and random urine microalbumin are ordered on the same urine collection.
Days Performed: Daily, 24 hours.
In-Lab Turnaround Time: 4 hours.
Stat In-Lab Turnaround Time: 1 hour.
No vigorous exercise during 4 hours prior to collection. Patients should not collect the urine specimen during menses, since blood in the sample may affect test results.
Specimen: Random urine
Collection Container: Sterile screw cap container
Collect in a urine container. No preservative necessary. First morning void is preferred. A blood-free specimen is preferred.
Collection Volume: Entire collection
Sample Analyzed: Urine aliquot
Testing Volume: 1 mL
Pediatric Testing Volume: 0.4 mL
After specimen collection is completed, transport entire specimen to the laboratory. Transport with coolant pack. If transport is delayed, keep specimen refrigerated.
Collection container contaminated with preservative is not acceptable.
Reference Interval for Microalbumin/Creatinine Ratio:
24 months and up (male and female): 0-29 mg/g cret
Reference Interval for Microalbumin, urine: 2 years and up: 0-30 mg/L
Microalbumin/Creatinine Ratio (Spot Urine)
< 30 mg/g cret
30-299 mg/g cret
> 299 mg/g cret