Chimaera 46, XX, 46, XY

Definition

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

4 subordinate codes

• LD56.0Androgenetic chimaera
• LD56.1Gynogenetic chimaera
• 4B4YOther specified diseases of the immune system
• 4B4ZDiseases of the immune system, unspecified

Nearby in Sex chromosome anomalies

• LD50Number anomalies of chromosome X
• LD51Structural anomalies of chromosome X, excluding Turner syndrome
• LD52Number anomalies of chromosome Y
• LD53Structural anomalies of chromosome Y
• LD54Male with sex chromosome mosaicism
• LD55Fragile X chromosome
• 4B4YOther specified diseases of the immune system
• 4B4ZDiseases of the immune system, unspecified