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Renal / Nephrology Emergency Medicine General Medicine Strong — KDIGO Guideline 2012

KDIGO AKI Staging

Stages acute kidney injury by creatinine rise from baseline or urine output criteria.

Used in: Acute Kidney Injury

Rise from baseline within 48 hours or 7 days

Score interpretation

No AKI 0

No AKI criteria met.

→ Monitor renal function if clinical suspicion. Ensure adequate hydration.

AKI Stage 1 1

KDIGO Stage 1: Mild AKI. Creatinine 1.5–1.9× baseline or rise ≥26.5 µmol/L in 48h.

→ Identify and treat cause. Stop nephrotoxins. Strict fluid balance. Monitor twice daily.

AKI Stage 2 2

KDIGO Stage 2: Moderate AKI. Creatinine 2–2.9× baseline.

→ Nephrology input. Hourly urine output monitoring. Cautious fluid management. Avoid IV contrast.

AKI Stage 3 3–6

KDIGO Stage 3: Severe AKI. Creatinine ≥3× baseline or ≥353.6 µmol/L or RRT.

→ Urgent nephrology. Consider RRT (CVVH/HD). HDU/ICU. Review all drug doses. Strict fluid balance.

Interpretation bands for the KDIGO AKI. Apply clinical judgement and local guidance.

References

Related

Curated clinical cross-links plus same-class fallbacks.

Decision support only — verify against a current formulary, NICE, or your local guideline before clinical use.