- No Dialysis.
- And either (acute):
- BUN>100, Creatinine >8.0mg/dl & Creatinine clearance <10cc/min.
- Serum creatinine >8.0mg/dl
- Estimated glomerular filtration rate (GFR) < 10ml/min
- And either (chronic)
- Creatinine clearance <10cc/min or <15cc/min with CHF comorbidity
- Serum creatinine >8.0 mg/dl
- Signs & symptoms of renal failure
- GFR <10 ml/min