LD50.30

ICD-11 MMS 2026-01

Klinefelter syndrome with karyotype 47,XXY, regular

Description

Karyotype 47 XXY; gonads: testes (hypogonadism) small and firm with decreased spermatogenesis ; phenotype male with associated congenital abnormalities (decreased virilization due to decreased testosterone production, long arms and legs, short trunk, psychosocial problems).

Index terms

  • Klinefelter syndrome with karyotype 47,XXY, regular
  • Klinefelter syndrome karyotype 47, xxy
  • xxy syndrome

Exclusions from above levels

  • http://id.who.int/icd/entity/733825440 – Inborn errors of metabolism

Sibling codes

  • LD50.31 – Klinefelter syndrome, male with more than two X chromosomes
  • LD50.3Y – Other specified Klinefelter syndrome
  • LD50.3Z – Klinefelter syndrome, unspecified

Foundation entity

Klinefelter syndrome with karyotype 47,XXY, regular – http://id.who.int/icd/entity/1472503127

Part of: LD50.3: Klinefelter syndrome › LD50: Number anomalies of chromosome X › 20: Developmental anomalies