Paroxysmal Nocturnal Hemoglobinuria - Classification

Classification

PNH is classified by the context under which it is diagnosed:

• Classic PNH. Evidence of PNH in the absence of another bone marrow disorder.
• PNH in the setting of another specified bone marrow disorder.
• Subclinical PNH. PNH abnormalities on flow cytometry without signs of hemolysis.