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ICD Hub / Diseases of the blood or blood-forming organs (D50–D89) / 3A00 - Iron deficiency anaemia
ICD-11

ICD-11 Codes
for 3A00 - Iron deficiency anaemia
Teodor Jurukovski January 1, 1970
Fact checked by: Teodor Jurukovski
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Understanding Iron Deficiency Anaemia (ICD-11 Code 3A00)

Iron deficiency anaemia (ICD-11 code 3A00) is a common condition where the body lacks sufficient iron to produce adequate haemoglobin. Haemoglobin is a protein in red blood cells responsible for carrying oxygen from the lungs to the rest of the body. Without enough iron, the body cannot produce enough haemoglobin, leading to anaemia. This deficiency can impact numerous bodily functions, including maintaining a healthy immune system, muscles, cells, skin, hair, and nails.

Alternative Names and Terms

Iron deficiency anaemia is known by several other terms and synonyms, including:

Synonyms include
?Iron deficiency
?Microcytic anaemia
?Hypochromic anaemia
?Sideropenic anaemia
?Iron deficiency without anaemia
?Congenital iron deficiency anaemia
?Iron-refractory iron deficiency anaemia (IRIDA) syndrome
?Plummer-Vinson syndrome

Factors Contributing to Iron Deficiency

Iron deficiency anaemia can arise from several causes:

?Inadequate dietary intake: Lack of iron-rich foods
?Blood loss: Menstrual, gastrointestinal, or donation-related loss
?Malabsorption: Coeliac disease or post-surgical absorption issues
?Increased requirement: Pregnancy, breastfeeding, infancy, or growth periods

Higher-risk groups include menstruating women, pregnant or breastfeeding individuals, infants and children with high milk intake, vegetarians and vegans, and those with chronic gastrointestinal disease.

Diagnosing Iron Deficiency Anaemia

Diagnosis typically involves clinical history, examination, and laboratory testing such as a complete blood count (CBC) and iron studies.

  • Serum ferritin levels
  • Serum iron levels
  • Total iron-binding capacity (TIBC) or transferrin
  • Transferrin saturation

Additional investigations such as faecal occult blood tests, endoscopy, or colonoscopy may be required to identify sources of blood loss.

Recognising the Signs and Symptoms

?Unexplained fatigue or low energy
?Pale or yellowish skin
?Shortness of breath with exertion
?Weakness or dizziness
?Rapid heartbeat or palpitations
?Pica (craving ice or non-food items)
?Brittle nails or hair loss

Managing Iron Deficiency Anaemia

The primary goal of treatment is to restore iron levels and address the underlying cause.

?Dietary adjustments: Iron-rich foods
?Oral supplements: Ferrous sulfate, fumarate, or gluconate
?Vitamin C: Enhances absorption
?IV iron therapy: For severe or refractory cases
?Addressing root causes: Treat bleeding or malabsorption

Frequently asked questions

What is the ICD-11 classification for Iron deficiency anaemia?
ICD-11 classifies Iron deficiency anaemia (3A00) as a condition characterized by a deficiency in body iron.
How does ICD-11 differentiate types of Iron deficiency anaemia?
ICD-11 categorizes Iron deficiency anaemia (3A00) into specific types based on acquired causes, including blood loss (3A00.0), low intake (3A00.1), decreased absorption (3A00.2), and increased requirement (3A00.3).
When are the unspecified and 'other specified' categories used for Iron deficiency anaemia in ICD-11?
The 'Iron deficiency anaemia, unspecified' category (3A00.Z) is used when the specific cause cannot be determined. The 'Other specified iron deficiency anaemia' category (3A00.Y) is used when the condition is iron deficiency anaemia but does not fit into the more specific acquired categories and is not unspecified.
What is the primary function of ICD-11 classifications like Iron deficiency anaemia (3A00)?
ICD-11 classifications, such as Iron deficiency anaemia (3A00), function as the international standard for recording, reporting, analysis, interpretation, and comparison of mortality and morbidity data, ensuring global health data interoperability and comparability.
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