Aplastic anemia, unspecified

This code represents a severe form of bone marrow failure where the body stops producing enough new blood cells (red, white, and platelets). It results in pancytopenia, leading to symptoms like fatigue, infections, and bleeding. The "unspecified" nature indicates that the underlying cause of the bone marrow aplasia is not documented.

Assign this code when the medical record clearly documents a diagnosis of aplastic anemia without specifying its etiology (e.g., idiopathic, drug-induced, post-infectious). This is appropriate when the physician has not determined or documented the specific cause of the bone marrow failure.

• Only use this code when the type of aplastic anemia is truly unknown or not documented.
• Always query the provider for more specific documentation regarding the cause of aplastic anemia if possible.
• Distinguish from other anemias, such as iron deficiency anemia or hemolytic anemia, which have different underlying pathologies.