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ICD Hub / Diseases of the blood or blood-forming organs (D50–D89) / 3A00.0 - Acquired iron deficiency anaemia due to blood loss
ICD-11

ICD-11 Codes
for 3A00.0 - Acquired iron deficiency anaemia due to blood loss
Teodor Jurukovski January 1, 1970
Fact checked by: Teodor Jurukovski
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Understanding Acquired Iron Deficiency Anaemia Due to Blood Loss (ICD-11 Code 3A00.0)

Acquired iron deficiency anaemia due to blood loss, identified by the ICD-11 code 3A00.0, is a condition where the body lacks sufficient iron to produce adequate healthy red blood cells due to ongoing or significant blood loss. This deficiency impairs the oxygen-carrying capacity of the blood, leading to various symptoms. It is distinct from congenital forms and arises from external or internal bleeding.

Identifying the Sources of Blood Loss and Associated Risks

The primary driver for acquired iron deficiency anaemia (ICD-11 code 3A00.0) is blood loss. This can manifest as chronic, slow bleeding within the gastrointestinal tract, such as from peptic ulcers, polyps, or colorectal cancer. For individuals with heavy menstrual periods (menorrhagia), significant iron loss can occur regularly. Frequent blood donations also represent a risk factor. Other causes include acute bleeding from the genitourinary system. Conditions that increase the likelihood of bleeding, such as the regular use of certain pain relievers (e.g., NSAIDs), or specific gastrointestinal issues like hookworm infestations in certain regions, contribute to the risk.

Recognising the Signs of Iron Deficiency Anaemia from Blood Loss

When acquired iron deficiency anaemia due to blood loss develops, individuals may experience a range of symptoms. These often include profound fatigue and weakness, making daily activities challenging. Paleness of the skin can be noticeable. Cardiovascular symptoms may arise, such as a rapid heartbeat or chest discomfort, as the heart works harder to compensate for reduced oxygen delivery. Other common signs include headaches, dizziness, cold extremities, and sometimes, a sore or swollen tongue. In some cases, individuals may develop unusual cravings for non-food items like ice or dirt.

Accurate Coding and Documentation for 3A00.0

Proper documentation is crucial for accurately assigning the ICD-11 code 3A00.0, Acquired iron deficiency anaemia due to blood loss. Clinicians should clearly specify the source of blood loss if identified, as this aids in comprehensive patient care and accurate medical record-keeping. When coding, ensure the diagnosis reflects that the anaemia is acquired and specifically linked to blood loss. This ICD-11 code is reportable and billable when a definitive diagnosis is established and documented. For billing purposes, ensure all supporting clinical documentation is available.

Managing Acquired Iron Deficiency Anaemia Due to Blood Loss

The management of acquired iron deficiency anaemia due to blood loss (ICD-11 code 3A00.0) focuses on two key areas: addressing the underlying cause of blood loss and replenishing iron stores. Treatment typically involves identifying and managing the source of bleeding, whether through medication, endoscopic procedures, or surgery, depending on the cause. Iron supplementation, often administered orally or intravenously, is essential to restore the body's iron levels and increase haemoglobin production. Regular monitoring of blood counts and iron status is vital to assess treatment effectiveness.

Seeking Professional Guidance for Suspected Anaemia

If you experience persistent symptoms such as extreme tiredness, weakness, shortness of breath, or unexplained paleness, it is important to consult a healthcare professional. Do not attempt to self-diagnose or self-treat iron deficiency anaemia. A medical provider can perform the necessary diagnostic tests to determine the cause, including the ICD-11 code 3A00.0 if blood loss is identified as the reason. Self-treating with iron supplements without medical guidance can be harmful, as excessive iron intake can lead to toxicity.

Frequently asked questions

What is the ICD-11 classification for Acquired iron deficiency anaemia due to blood loss?
3A00.0 is a specific classification within ICD-11 for acquired iron deficiency anaemia that is a consequence of blood loss.
How is 3A00.0 used in mortality coding when associated with haemorrhage?
Gastrointestinal haemorrhage can be considered an obvious cause of secondary 3A00.0 (Acquired iron deficiency anaemia due to blood loss) in mortality coding.
What distinguishes 3A00.0 from unspecified iron deficiency anaemia codes in ICD-11?
3A00.0 specifically denotes acquired iron deficiency anaemia where the underlying cause is identified as blood loss, differentiating it from unspecified categories or other specified aetiologies of iron deficiency anaemia.
What is the primary characteristic that defines 3A00.0 within the ICD-11 classification?
The defining characteristic of 3A00.0 is that the iron deficiency anaemia is acquired and directly attributed to blood loss.
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