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Albumin (Urine)
(a.k.a Microalbumin,Alb/Creat ratio, ACR)
Test Code: MAL
Tube type: Vacuette Urine Tube
Special instructions
Early morning sample prefered but random samples are acceptable. Must be plain container (no preservative).
Reference range
Urine Albumin: <20 mg/L
Albumin Excretion: <30 mg/24h
Albumin/Creatinine Ratio Categories
A1: <3 mg/mmol - normal to mildly increased
A2: 3 - 30 mg/mmol - moderately increased
A3: >30 mg/mmol - severly increased
Linked to
Urine creatinine (as part of Alb/Creat ratio)
Turnaround Time
2
days
Department: Biochemistry
Clinical Application
Urine albumin:creatinine ratio should be interpreted alongside eGFR to determine CKD staging and guide management (see NICE guideline CG182).
