3A00

ICD-11 MMS 2026-01

Iron deficiency anaemia

Description

A disease caused by chronic or acute bleeding, excessive menstrual bleeding, inadequate intake, substances (in diet or drugs) interfering with iron absorption, malabsorption syndromes, inflammation, infection or blood donation. This disease is characterised by decreased levels of iron present in the body. This disease may present with fatigue, pallor or dizziness. Confirmation is by identification of decreased levels of iron in a blood sample.

Exclusions from above levels

  • 04 – Diseases of the immune system
  • 05 – Endocrine, nutritional or metabolic diseases
  • 18 – Complications of pregnancy, childbirth or the puerperium
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  • 19 – Certain conditions originating in the perinatal period
  • 20 – Congenital malformations, deformations or chromosomal abnormalities
  • 22 – Injury, poisoning or certain other consequences of external causes
  • http://id.who.int/icd/entity/1000704511 – Human immunodeficiency virus disease
  • JB64.1 – Other diseases of the blood or blood-forming organs or certain disorders involving the immune mechanism complicating pregnancy, childbirth or the puerperium

Child codes

  • 3A00.0 – Acquired iron deficiency anaemia due to blood loss
  • 3A00.1 – Acquired iron deficiency anaemia due to low intake
  • 3A00.2 – Acquired iron deficiency anaemia due to decreased absorption
  • 3A00.3 – Acquired iron deficiency anaemia due to increased requirement
  • 3A00.Y – Other specified iron deficiency anaemia
  • 3A00.Z – Iron deficiency anaemia, unspecified

Sibling codes

  • 3A01 – Megaloblastic anaemia due to vitamin B12 deficiency
  • 3A02 – Folate deficiency anaemia
  • 3A03 – Certain nutritional or metabolic anaemias
  • 3A0Z – Nutritional or metabolic anaemias, unspecified

Foundation entity

Iron deficiency anaemia – http://id.who.int/icd/entity/1577750667

Part of: 03: Diseases of the blood or blood-forming organs