Folate-deficiency anemia

This code signifies a type of megaloblastic anemia resulting from inadequate levels of folic acid (folate) in the body. Folate is essential for DNA synthesis and red blood cell maturation, and its deficiency leads to the production of abnormally large, immature red blood cells.

Apply this code when documentation explicitly states a diagnosis of folate-deficiency anemia. This diagnosis is typically supported by laboratory findings showing low serum folate levels, elevated homocysteine, and characteristic peripheral blood smear abnormalities (e.g., macro-ovalocytes, hypersegmented neutrophils).

• Differentiate from other megaloblastic anemias, particularly B12 deficiency anemia, as treatment and coding differ.
• Ensure the documentation clearly specifies "folate" or "folic acid" deficiency, not just "megaloblastic anemia."
• Consider any underlying causes of folate deficiency, such as malabsorption, alcoholism, or certain medications, and code them as secondary diagnoses if documented.