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ICD Hub / Diseases of the blood or blood-forming organs (D50–D89) / 3A00.01 - Chronic posthaemorrhagic anaemia
ICD-11

ICD-11 Codes
for 3A00.01 - Chronic posthaemorrhagic anaemia
Teodor Jurukovski January 1, 1970
Fact checked by: Teodor Jurukovski
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Understanding Different Names for Chronic Posthaemorrhagic Anaemia

This condition, identified by the ICD-11 code 3A00.01, is also commonly referred to as chronic posthaemorrhagic iron deficiency anaemia. Other clinical descriptions include anaemia due to chronic blood loss, iron deficiency anaemia due to chronic blood loss, chronic iron deficiency anaemia secondary to blood loss, and chronic haemorrhagic anaemia. In simpler terms, it can be understood as anaemia resulting from ongoing or long-term blood loss.

What Causes Chronic Posthaemorrhagic Anaemia?

The primary cause of chronic posthaemorrhagic anaemia is persistent, ongoing blood loss. This can stem from various underlying medical conditions. Common sources of chronic bleeding include gastrointestinal issues such as peptic ulcers, colon cancer, gastric cancer, Meckel's diverticulum, colonic vascular ectasias, or inflammatory bowel disease. Uterine conditions like tumours or chronic menorrhagia (heavy menstrual bleeding) can also lead to this type of anaemia. In some infants, exposure to cow's milk protein can induce chronic intestinal blood loss. Additionally, frequent blood draws for medical testing, known as repeated phlebotomy, can contribute to anaemia, particularly in premature infants.

An Overview of Chronic Posthaemorrhagic Anaemia (ICD-11 Code 3A00.01)

Chronic posthaemorrhagic anaemia, classified under ICD-11 code 3A00.01, is a type of anaemia characterised by a deficiency in red blood cells or haemoglobin resulting from sustained blood loss over time. This condition develops when the rate of blood loss exceeds the body's ability to produce new red blood cells, often leading to iron deficiency as iron stores are depleted. It is distinct from acute blood loss anaemia, focusing instead on the cumulative effects of prolonged bleeding.

Diagnosing Chronic Posthaemorrhagic Anaemia

Diagnosing chronic posthaemorrhagic anaemia typically involves a comprehensive medical evaluation. Healthcare providers will assess patient history, focusing on symptoms and potential sources of chronic blood loss. Blood tests are crucial, including a complete blood count (CBC) to measure haemoglobin and red blood cell levels, and tests to assess iron status, such as serum iron, ferritin, and total iron-binding capacity. Identifying the underlying cause of the bleeding is paramount and may require further investigations like endoscopy, colonoscopy, or imaging studies, depending on the suspected source of blood loss.

Managing Chronic Posthaemorrhagic Anaemia

The cornerstone of managing chronic posthaemorrhagic anaemia is to identify and treat the underlying cause of the blood loss. Once the source of bleeding is addressed, treatment focuses on replenishing iron stores and restoring red blood cell levels. This often involves iron supplementation, either orally or intravenously, to correct the iron deficiency. In severe cases, blood transfusions may be necessary to rapidly increase red blood cell count. Long-term management requires ongoing monitoring to ensure the bleeding has stopped and iron levels are maintained.

Coding and Documentation for Chronic Posthaemorrhagic Anaemia

For accurate medical billing and record-keeping, the ICD-11 code 3A00.01 should be used to represent Chronic posthaemorrhagic anaemia. This code is reportable and billable when a diagnosis is established. Documentation should clearly state the condition and, where possible, the underlying cause of the blood loss to support the chosen code. Related conditions, such as iron deficiency anaemia secondary to blood loss, may also be relevant for comprehensive coding.

Frequently asked questions

What is the ICD-11 classification meaning of 3A00.01?
ICD-11 code 3A00.01 represents Chronic posthaemorrhagic anaemia.
What are synonyms for ICD-11 code 3A00.01?
Synonyms for ICD-11 code 3A00.01 include Chronic posthaemorrhagic iron deficiency anaemia, anaemia due to chronic blood loss, iron deficiency anaemia due to chronic blood loss, chronic iron deficiency anaemia secondary to blood loss, and chronic haemorrhagic anaemia.
How is ICD-11 code 3A00.01 used in coding?
ICD-11 code 3A00.01 is used to classify anaemia that is chronic and a consequence of blood loss, distinguishing it from acute posthaemorrhagic anaemia or other unspecified anaemias.
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