Q90.9✓ Billable

Down syndrome, unspecified

Inclusion Terms

Also Indexed As(ICD-10-CM Alphabetic Index)

These clinical terms, synonyms, and manifestations all map to Q90.9 in the official ICD-10-CM Alphabetic Index.

Down syndromeSyndrome, DownSyndrome, trisomy, 21Trisomy (syndrome), 21 (partial)

Code Hierarchy

┌17Congenital malformations, deformations and chromosomal abnormalities (Q00-QA0)├Q90-Q99Chromosomal abnormalities, not elsewhere classified (Q90-Q99)├Q90Down syndrome
└Q90.9Down syndrome, unspecified

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