284: Aplastic anemia and other bone marrow failure syndromes
284.8 Other specified aplastic anemias
284.81: Red cell aplasia (acquired) (adult) (with thymoma)
Red cell aplasia NOS
284.89: Other specified aplastic anemias
Aplastic anemia (due to):
chronic systemic disease
drugs
infection
radiation
toxic (paralytic)
Use additional E code to identify cause
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