Table 1.
Staging of Kidney Disease per Acute Disease Quality Initiative Workgroup Recommendations7
| 0-7 Days | 7-90 Days | >90 Days |
|---|---|---|
| Acute Kidney Injury (AKI) | Acute Kidney Disease (AKD) | Chronic Kidney Disease (CKD) |
| Subacute (stage 0) | Subacute (stage 0A): no evidence of injury | |
| Stage 0B: biomarker or loss of renal reserve indicates injury | ||
| Stage 0C: Cr not returned to baseline | ||
| Stage 1: Cr 1.5× baseline | Stage 1: Cr 1.5× baseline | |
| Stage 2: Cr 2× baseline | Stage 2: Cr 2× baseline | |
| Stage 3: Cr 3× baseline or dependent on KRT | Stage 3: Cr 3× baseline or dependent on KRT |
Abbreviations: Cr, serum creatinine; KRT, kidney replacement therapy.