48,XXYY syndrome

Definition

The 48,XXYY syndrome represents a chromosomal anomaly of the aneuploidic type characterized by the presence of an extra X and Y chromosome in males.

Also known as 48, XXYY Syndrome — per MONDO

Also identified as

• ICD9 758.81 per MONDO
• NCIT C89801 per MONDO
• Orphanet 10 per MONDO
• SCTID 403760006 per MONDO
• UMLS C2936741 per MONDO