Albumin (urine)

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Assay

Albumin (urine)

Key Words

Microalbumin, MALB, albumin creatinine ratio, ACR

Specimen Collection

Random urine sample in 20ml universal

Turnaround time

72hrs

Test indications

Urine albumin creatinine ratio is the test of choice for the investigation of proteinuria.

Interferences

No known interferences

Reference Range

ACR >30mg/mmol creatinine indicates proteinuria. ACR >70mg/mmol indicates heavy proteinuria. Albumin excretion is expressed as a ratio to urinary creatinine to correct for urinary concentration.

Analytical error

3.5%

Reference change value

100.3%

Minimum retesting interval

Requests made within 30 days of a previous result on a patient are intervened