ICD-11 classes
05 Endocrine, nutritional or metabolic diseases
Nutritional disorders
Undernutrition
5B5K — Mineral deficiencies
5B5K.0 — Iron deficiency

ICD-11 5B5K.0 — Iron deficiency

Iron deficiency is a state in which there is insufficient iron to maintain the normal physiological function of blood, brain and muscles. It can exist in the absence of anaemia if it has not lasted long enough or if it has not been severe enough to cause the haemoglobin concentration to fall below the threshold for the specific sex and age group. Iron deficiency is the most common nutritional deficiency.

The diagnosis includes nothing.

It excludes 1 item.

  • Iron deficiency anaemia (3A00)

Diagnosis with code 5B5K.0 contains 4 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

The diagnosis is included in 6 other classes.

  • Acquired iron deficiency anaemia due to blood loss (3A00.0)
  • Acquired iron deficiency anaemia due to low intake (3A00.1)
  • Acquired iron deficiency anaemia due to decreased absorption (3A00.2)
  • Acquired iron deficiency anaemia due to increased requirement (3A00.3)
  • Acquired iron deficiency anaemia (3A00.Y)
  • Dementia due to iron deficiency (6D85.Y)

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