ICD-11 classes
20 Developmental anomalies
Chromosomal anomalies, excluding gene mutations
Sex chromosome anomalies
LD56 — Chimaera 46, XX, 46, XY

ICD-11 LD56 — Chimaera 46, XX, 46, XY

A disease caused by XX and XY embryonic fusion or two distinct loss event of a sex chromosome from a XXY embryo early in development. This results in a subset of cells in the body having a XX karyotype, while other cells demonstrate a XY karyotype. This disease may present with abnormal genital development.

The diagnosis includes nothing.

The diagnosis excludes nothing.

Diagnosis with code LD56 contains 4 clarifying diagnoses:

  1. LD56.0 — Androgenetic chimaera
  2. LD56.1 — Gynogenetic chimaera
  3. LD56.Y — Other specified chimaera 46, XX, 46, XY
  4. LD56.Z — Chimaera 46, XX, 46, XY, unspecified

The diagnosis is coded elsewhere:

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