Instruction Source:
Q99.819Usher syndrome, unspecified
Q99.819Usher syndrome, unspecified
Q99.81Usher syndrome
Q99.8Other specified chromosome abnormalities
Q99Other chromosome abnormalities, not elsewhere classified
Q90-Q99Chromosomal abnormalities, not elsewhere classified (Q90-Q99)
Q00-QA1Congenital malformations, deformations, chromosomal abnormalities, and genetic disorders