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Blood Sciences

Blood Test Information

Albumin (Urine)
(a.k.a Microalbumin,Alb/Creat ratio, ACR)

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Test Code: MAL

Tube type: Random Urine

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: <31 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).

Links:
» Screening patients for proteinuria

 
 

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