ICD-11 classes
20 Developmental anomalies
Chromosomal anomalies, excluding gene mutations
Sex chromosome anomalies
LD50 — Number anomalies of chromosome X
LD50.3 — Klinefelter syndrome
LD50.30 — Klinefelter syndrome with karyotype 47,XXY, regular

ICD-11 LD50.30 — Klinefelter syndrome with karyotype 47,XXY, regular

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).

The diagnosis includes nothing.

The diagnosis excludes nothing.

It has no clarifying diagnoses.

The diagnosis is coded elsewhere:

• Klinefelter syndrome #16057