An estimated GFR of 20 mL/min indicates which stage of chronic kidney disease?

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Multiple Choice

An estimated GFR of 20 mL/min indicates which stage of chronic kidney disease?

Stages of chronic kidney disease are defined by how well the kidneys filter, measured by the estimated GFR. Normal filtration is about 90–120 mL/min. CKD is diagnosed when eGFR remains below 60, with stages refining severity: 15–29 mL/min falls in Stage 4, and below 15 mL/min is Stage 5. An eGFR of 20 mL/min sits in the 15–29 range, which corresponds to Stage 4 CKD (and is often described as severe CKD, sometimes grouped with Stage 5 in broader categorizations). That’s why the correct interpretation is Stage 4–5 CKD.

Stages of chronic kidney disease are defined by how well the kidneys filter, measured by the estimated GFR. Normal filtration is about 90–120 mL/min. CKD is diagnosed when eGFR remains below 60, with stages refining severity: 15–29 mL/min falls in Stage 4, and below 15 mL/min is Stage 5. An eGFR of 20 mL/min sits in the 15–29 range, which corresponds to Stage 4 CKD (and is often described as severe CKD, sometimes grouped with Stage 5 in broader categorizations). That’s why the correct interpretation is Stage 4–5 CKD.

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