2013 ICD-9-CM Diagnosis Code 758.7
Klinefelter's syndrome
- genetic disease that produces sterile males with small testes lacking sperm due to XXY karyotype.
- A common sex chromosomal anomaly in males characterized mainly by small testes with tubular hyalinization, azospermia with infertility, slight breast enlargement, elevated urinary gonadotropins, and decreased urinary 17-ketosteroids. Dull mentality has been noted. The affected individuals appear normal after birth, except for small testes. Most characteristic features become evident at adolescence as hypogonadism, gynecomastia, incomplete virilization with variable eunuchoidism, and dull mentality. Without testosterone therapy, most adult patients may become obese. Occasional abnormalities may include cryptorchidism, hypospadias, ataxia, scoliosis during adolescence, and diabetes mellitus in adulthood.
- ICD-9-CM 758.7 is a billable medical code that can be used to specify a diagnosis on a reimbursement claim.
Applies To
Convert 758.7 to ICD-10-CM 
ICD-9-CM Volume 2 Index entries containing back-references to 758.7:
chromosomes, chromosomal 
13 (13-15) 
