ICD-11 classes
20 Developmental anomalies
Chromosomal anomalies, excluding gene mutations
Sex chromosome anomalies

ICD-11 Sex chromosome anomalies

Any disease caused by change in the number or structure of the X or Y chromosome. Confirmation is by observation of a chromosomal anomaly by genetic testing.

The diagnosis includes nothing.

The diagnosis excludes nothing.

Diagnosis contains 9 clarifying diagnoses:

1. LD50 — Number anomalies of chromosome X
   It contains 6 clarifying diagnoses.
2. LD51 — Structural anomalies of chromosome X, excluding Turner syndrome
3. LD52 — Number anomalies of chromosome Y
   It contains 4 clarifying diagnoses.
4. LD53 — Structural anomalies of chromosome Y
5. LD54 — Male with sex chromosome mosaicism
6. LD55 — Fragile X chromosome
7. LD56 — Chimaera 46, XX, 46, XY
   It contains 4 clarifying diagnoses.
8. LD5Y — Other specified sex chromosome anomalies
9. LD5Z — Sex chromosome anomalies, unspecified