eGFR, 2021 CKD-EPI — lab reference
In the reference guideG2 60-89; G3a 45-59; G3b 30-44; G4 15-29; G5 <15. G1/G2 alone do not establish CKD without kidney damage.
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What’s searchable?G2 60-89; G3a 45-59; G3b 30-44; G4 15-29; G5 <15. G1/G2 alone do not establish CKD without kidney damage.
Muscle mass, age, diet, medications, and assay matter. Ask your clinician to review with eGFR, not alone.
A1 <30; A2 30-300; A3 >300. Persistence ≥3 months matters for CKD classification.
Volume status, glucose, osmolality, and medications may alter interpretation.
Hemolysis can falsely elevate. Ask your clinician to review kidney function and acid-base status.
Ask your clinician to read this result with sodium, bicarbonate, and anion gap.
Serum chemistry value. Do not substitute arterial blood-gas bicarbonate ranges.
Formula and albumin correction vary by laboratory. Ask your clinician to confirm whether potassium is included.
Protein intake, hydration, catabolism, GI bleeding, and kidney function affect result.
Calculated and context-dependent. Not a stand-alone diagnostic marker.
Correct for albumin when appropriate or measure ionized calcium.
pH and specimen handling materially affect results.
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