| ESA U/kg/week | Category 1 | Category 2 | Category 3 | Category 4 |
| Erythropoietin | 0 to <100 | 100 to <200 | 200 to <350 | ≥350 |
| Darbepoetin | 0 to <0.49 | 0.49 to <1.0 | 1.0 to <1.5 | ≥1.5 |
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