Category Q99
Other chromosome abnormalities, not elsewhere classified
Clinical Classification Guidelines
Specific Diagnosis Codes
Chimera 46, XX/46, XY
Q99.0
46, XX true hermaphrodite
Q99.1
Fragile X chromosome
Q99.2
Other specified chromosome abnormalities
Q99.8
Usher syndrome
Q99.81
Usher syndrome, type 1
Q99.811
Usher syndrome, type 2
Q99.812
Usher syndrome, type 3
Q99.813
Other Usher syndrome
Q99.818
Usher syndrome, unspecified
Q99.819
Other specified chromosome abnormalities
Q99.89
Chromosomal abnormality, unspecified
Q99.9