Clinical use
Use this calculator for acute kidney injury staging in therenal workflow. It is decision support and should be interpreted with the patient context, local protocols, and clinician judgment.
Calculate KDIGO AKI
Interpretation
Stage 1 = 1.5-1.9× baseline. Stage 2 = 2.0-2.9×. Stage 3 = 3.0× or ≥4.0 or RRT. Higher stage by either creatinine or urine output criteria.
Required inputs
- Creatinine Rise
Optional: Urine Output, On Dialysis
Evidence and limitations
This page cites 1 published reference. Confirm units and inclusion criteria before applying the output; calculators do not replace assessment, escalation, or local policy.
References
- KDIGO Clinical Practice Guideline for AKI. Kidney Int Suppl 2012;2:1-138
Frequently asked questions
What is the KDIGO AKI Staging?
KDIGO AKI Staging is a clinical calculator used for Acute kidney injury staging.
How do I interpret the KDIGO AKI Staging?
Stage 1 = 1.5-1.9× baseline. Stage 2 = 2.0-2.9×. Stage 3 = 3.0× or ≥4.0 or RRT. Higher stage by either creatinine or urine output criteria.
What inputs are required for the KDIGO AKI Staging?
Required inputs include Creatinine Rise. Optional inputs include Urine Output, On Dialysis.
What is the evidence behind the KDIGO AKI Staging?
The KDIGO AKI Staging page cites KDIGO Clinical Practice Guideline for AKI. Kidney Int Suppl 2012;2:1-138.
Related Renal Calculators
eGFR (CKD-EPI 2021)
Estimated glomerular filtration rate using CKD-EPI 2021 equation (race-free)
Creatinine Clearance (Cockcroft-Gault)
Estimated creatinine clearance for drug dosing
Fractional Excretion of Sodium
Differentiates prerenal vs intrinsic renal AKI
Free Water Deficit
Free water deficit in hypernatremia
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