Lab marker · High

High Microalbumin (urine albumin-to-creatinine ratio): what it means

A Microalbumin (urine albumin-to-creatinine ratio) result above the normal range is considered high. Here is what a raised Microalbumin (urine albumin-to-creatinine ratio) can point to, and when it is worth discussing with a doctor.

Reference range: <30 mg/g creatinine normal; 30–300 microalbuminuria; >300 macroalbuminuria

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What a high Microalbumin (urine albumin-to-creatinine ratio) can mean

  • Diabetic nephropathy (early) — most common cause; ACR 30–300 = microalbuminuria.
  • Hypertensive nephrosclerosis — chronic uncontrolled BP damages glomeruli.
  • Chronic kidney disease — any cause; macroalbuminuria >300 marks established damage.
  • Pre-eclampsia in pregnancy — high BP + new proteinuria after 20 weeks.
  • Transient causes — strenuous exercise, fever, UTI, dehydration. Repeat in 1–3 months before diagnosing.

When to discuss with a doctor

Persistent ACR >30 mg/g on two of three samples 3 months apart is the diagnostic threshold for microalbuminuria. The treatment lever is tight glucose + blood-pressure control plus an ACE inhibitor or ARB, which reduces glomerular pressure and slows progression by ~50%. Mediora.AI flags the value against the ADA threshold; the kidney work-up belongs with endocrinology + nephrology.

Conditions this can relate to

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Mediora.AI is informational - interpretation, not a diagnosis. A single out-of-range value is common and often benign; always discuss decisions with your doctor.