Name: Microalbumin, Urine
Test Name: Microalbumin, Urine
Health Link Test Code: UMA
LIS Test Code: UALB
CPT Code(s): 82043
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 with no preservatives. First morning void is preferred. A blood-free specimen is preferred.
Collection Volume: Entire collection
5 months @ -70°C
Sample Analyzed: Urine aliquot
Testing Volume: 1 mL
Pediatric Testing Volume: 0.4 mL
Mix specimen. Transfer 10 mL into a screw cap container. Refrigerate specimen. Do not freeze.
Transport entire specimen to the laboratory at close of collection. Transport with coolant pack if coming from clinic location.
Collection container contaminated with preservative is not acceptable.
2 years and up: 0-30 mg/L
A microalbumin/creatinine ratio will be calculated whenever a spot urine
microalbumin and random urine creatinine are ordered together.
Albumin/Creatinine Ratio reference range:
24 months and up (male and female): 0 - 29 mg/g cret
Albumin Creatinine Ratio (Spot Urine)
< 30 mg/g cret
30-299 mg/g cret
> 299 mg/g cret
Interpretation Type: Reference Interval