Chronic Kidney Disease — ESENeph MCQ

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HardCKD Evaluation and ManagementChronic Kidney DiseaseESENeph

An adult has eGFR 52 mL/min/1.73m² and urine ACR 40 mg/g on repeated testing for more than 3 months. What is the KDIGO GFR-albuminuria classification?

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Correct answer: A — G3aA2

The best answer is “G3aA2”. eGFR 45-59 is G3a, while ACR 30-300 mg/g is A2. Chronicity beyond 3 months establishes CKD rather than an isolated laboratory abnormality. “G2A1” is less appropriate because eGFR 52 falls in G3a and ACR 40 mg/g exceeds the A1 range “G3bA2” is less appropriate because G3b begins below eGFR 45 mL/min/1.73m² “G3aA3” is less appropriate because A3 begins above ACR 300 mg/g “G4A2” is less appropriate because G4 requires eGFR below 30 mL/min/1.73m²

Reference: KDIGO 2024 CKD guideline: https://kdigo.org/wp-content/uploads/2024/03/KDIGO-2024-CKD-Guideline.pdf