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MediumNephrologyChronic kidney disease stagingau-amcau-racgpau-racp

A 67-year-old man with longstanding hypertension and diabetes has an eGFR of 42 mL/min/1.73 m² and urinary albumin-to-creatinine ratio (ACR) of 45 mg/mmol. Which CKD stage best describes his kidney function using KDIGO-aligned staging?

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