Alphabetic Index · main term
Klinefelter's syndrome
At the main termQ98.4
Klinefelter's syndrome is a main term in the FY2027 ICD-10-CM Alphabetic Index (Index to Diseases and Injuries). The Index lists Q98.4 for the term on its own. It has 2 subterms and 3 code entries. First-level subterms include karyotype 47,XXY, male with more than two X chromosomes. Confirm any code you find here in the Tabular List before you report it.