X
- X-linked Adrenoleukodystrophy (see: Adrenoleukodystrophy)(Condition)
 - (Medical Test)
 - X-ray - chest (see: Chest x-ray)(Medical Test)
 - X-ray - teeth (see: Dental x-rays)(Medical Test)
 - X-RAY TEST FOR EDIT CONTENT BY JH 022321 (see: X-ray)(Medical Test)
 
Xe
- (Condition)
 
Xo
- XO (see: Turner syndrome)(Condition)
 
Xx
- XXY syndrome (see: Klinefelter syndrome)(Condition)
 - XXY trisomy (see: Klinefelter syndrome)(Condition)
 



