The ICD-10 code range for Chromosomal abnormalities, not elsewhere classified Q90-Q99 is medical classification list by the World Health Organization (WHO).
ICD-10 Code range (Q90-Q99), Chromosomal abnormalities, not elsewhere classified contains ICD-10 codes for Down syndrome, Trisomy 21, nonmosaicism (meiotic nondisjunction), Trisomy 21, mosaicism (mitotic nondisjunction), Trisomy 21, translocation, Down syndrome, unspecified