ICD-11 classes
20 Developmental anomalies
Chromosomal anomalies, excluding gene mutations
Sex chromosome anomalies
LD55 — Fragile X chromosome

ICD-11 LD55 — Fragile X chromosome

Fragile X syndrome is a rare genetic disease associated with mild to severe intellectual deficit that may be associated with behavioural disorders and characteristic physical features.

The diagnosis excludes nothing.

It has no clarifying diagnoses.

The diagnosis is coded elsewhere:

• Conditions with disorders of intellectual development as a relevant clinical feature #23735