PLASMIC Score

Platelet count < 30,000/microL

Hemolysis (defined by reticulocyte count > 2.5 percent, undetectable haptoglobin, or indirect bilirubin > 2 mg/dL)

No active cancer

No solid organ or stem cell transplant

MCV < 90 fL

INR < 1.5

Creatinine < 2.0 mg/dL