ICD-11 classes
03 Diseases of the blood or blood-forming organs
Anaemias or other erythrocyte disorders
Nutritional or metabolic anaemias
3A00 — Iron deficiency anaemia

ICD-11 3A00 — Iron deficiency anaemia

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.

The diagnosis includes nothing.

The diagnosis excludes nothing.

Diagnosis with code 3A00 contains 6 clarifying diagnoses:

1. 3A00.0 — Acquired iron deficiency anaemia due to blood loss
   It contains 2 clarifying diagnoses.
2. 3A00.1 — Acquired iron deficiency anaemia due to low intake
3. 3A00.2 — Acquired iron deficiency anaemia due to decreased absorption
4. 3A00.3 — Acquired iron deficiency anaemia due to increased requirement
5. 3A00.Y — Other specified iron deficiency anaemia
6. 3A00.Z — Iron deficiency anaemia, unspecified