Criteria for end-organ damage due to multiple myeloma (CRAB).1
| Abbreviations: Hgb, hemoglobin |
| Hypercalcemia: |
| serum calcium > 0.25 mmol/L (1 mg/dL) above the upper limits of normal or > 2.75 mmol/L (11 mg/dL) |
| Renal insufficiency: |
| serum creatinine > 173 mmol/L (1.96 mg/dL) |
| Anemia: |
| Hgb 2 g/dL below lower limits of normal or Hgb < 10 g/dL |
| Bone lesions: |
| lytic lesions or osteopenia with compression fractures |
| Other: |
| symptomatic hyperviscosity, amyloidosis, recurrent bacterial infections (> 2 episodes in 12 months) |
| Abbreviations: Hgb, hemoglobin |
| Hypercalcemia: |
| serum calcium > 0.25 mmol/L (1 mg/dL) above the upper limits of normal or > 2.75 mmol/L (11 mg/dL) |
| Renal insufficiency: |
| serum creatinine > 173 mmol/L (1.96 mg/dL) |
| Anemia: |
| Hgb 2 g/dL below lower limits of normal or Hgb < 10 g/dL |
| Bone lesions: |
| lytic lesions or osteopenia with compression fractures |
| Other: |
| symptomatic hyperviscosity, amyloidosis, recurrent bacterial infections (> 2 episodes in 12 months) |