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ICD Hub / Diseases of the blood or blood-forming organs (D50–D89) / 3A01.30 - Pernicious anaemia
ICD-11

ICD-11 Codes
for 3A01.30 - Pernicious anaemia
Teodor Jurukovski January 1, 1970
Fact checked by: Teodor Jurukovski
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Alternative Names for Pernicious Anaemia

Pernicious anaemia is also recognised clinically as Biermer's disease, Biermer disease, or Biermer-Addison disease. These terms refer to the same condition characterised by vitamin B12 malabsorption.

Understanding Pernicious Anaemia

Pernicious anaemia, identified by the ICD-11 code 3A01.30, is an autoimmune disorder impacting the stomach's ability to absorb vitamin B12 (cobalamin). This malabsorption leads to a deficiency in vitamin B12, a critical nutrient for producing healthy red blood cells. The condition can result in megaloblastic anaemia and, if unmanaged, may progress to neurological damage.

Factors Contributing to Pernicious Anaemia

The primary driver of pernicious anaemia is an autoimmune attack on the stomach's parietal cells or the intrinsic factor they produce. Intrinsic factor is vital for vitamin B12 absorption in the intestines. Genetic factors and a family history of autoimmune diseases, such as type 1 diabetes or thyroid conditions, are significant risk factors.

Diagnostic Pathways for Pernicious Anaemia

Diagnosing pernicious anaemia involves a comprehensive assessment, including a review of medical history, a physical examination, and specific laboratory tests. Blood work typically checks for vitamin B12 levels, red blood cell counts, and the presence of antibodies targeting intrinsic factor or parietal cells. The ICD-11 code 3A01.30 is assigned upon confirmation of the diagnosis.

Coding and Documentation for 3A01.30

Accurate medical coding relies on precise documentation. Healthcare providers should clearly record the diagnosis of pernicious anaemia, including any associated conditions or complications. The ICD-11 code 3A01.30 serves as the official classification for this condition and is used for billing and reporting purposes. This code is specifically for pernicious anaemia, a form of vitamin B12 deficiency anaemia due to intrinsic factor deficiency.

Seeking Professional Medical Guidance

Individuals experiencing persistent fatigue, unexplained weakness, symptoms of anaemia, or neurological issues such as tingling or numbness should seek prompt medical evaluation. Early detection and management of pernicious anaemia are crucial to prevent potentially irreversible neurological damage and other health complications.

Frequently asked questions

What is the ICD-11 classification meaning of Pernicious anaemia (3A01.30)?
Pernicious anaemia (3A01.30) is classified as an acquired disorder characterized by impaired vitamin B12 (cobalamin) absorption.
What are the alternative names for Pernicious anaemia (3A01.30) within the ICD-11 classification?
Alternative names for Pernicious anaemia (3A01.30) include Biermer's disease and Biermer-Addison disease.
How is the etiology of Pernicious anaemia (3A01.30) described in ICD-11 classification?
ICD-11 classifies Pernicious anaemia (3A01.30) as a disorder of vitamin B12 (cobalamin) absorption.
What are the key features associated with Pernicious anaemia (3A01.30) as per ICD-11 classification?
Pernicious anaemia (3A01.30) is associated with megaloblastic anaemia and can lead to neurological abnormalities.
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