Vitamin B12 deficiency anemia, unspecified

This code represents a form of anemia caused by insufficient levels of vitamin B12, also known as cobalamin. This deficiency impairs red blood cell production, leading to macrocytic anemia and potentially neurological symptoms, but the specific cause of the deficiency is not documented.

Use this code when documentation confirms a diagnosis of vitamin B12 deficiency anemia, but the underlying etiology (e.g., pernicious anemia, malabsorption, dietary insufficiency) is not specified by the provider. This code is appropriate when the provider has not provided further detail regarding the cause.

• Avoid using this code if the specific cause of the B12 deficiency anemia is documented; instead, code to a more specific ICD-10-CM code (e.g., D51.0 for B12 deficiency anemia due to intrinsic factor deficiency).
• Ensure the medical record clearly states "vitamin B12 deficiency anemia" without further specification of the cause.
• Consider querying the provider for clarification if the documentation suggests a specific cause but doesn't explicitly state it.