ICD-11 classes
05 Endocrine, nutritional or metabolic diseases
Metabolic disorders
Inborn errors of metabolism
5C50 — Inborn errors of amino acid or other organic acid metabolism
5C50.2 — Disorders of histidine metabolism
5C50.20 — Histidinaemia

ICD-11 5C50.20 — Histidinaemia

Histidinemia is a disorder of histidine metabolism caused by a defect in histidase, and seems to be benign in most affected individuals.

The diagnosis includes nothing.

The diagnosis excludes nothing.

It has no clarifying diagnoses.

The diagnosis is coded elsewhere:

• Genetic disorders of amino acid metabolism or transport affecting the skin #15906
• Genetic disorders of amino acid metabolism or transport affecting the skin #16070