Q91.1✓ Billable
Trisomy 18, mosaicism (mitotic nondisjunction)
Also Indexed As(ICD-10-CM Alphabetic Index)
These clinical terms, synonyms, and manifestations all map to Q91.1 in the official ICD-10-CM Alphabetic Index.
Syndrome, trisomy, 18, mitotic nondisjunctionSyndrome, trisomy, 18, mosaicismTrisomy (syndrome), 18 (partial), mitotic nondisjunctionTrisomy (syndrome), 18 (partial), mosaicism
Code Hierarchy
┌17Congenital malformations, deformations and chromosomal abnormalities (Q00-QA0)├Q90-Q99Chromosomal abnormalities, not elsewhere classified (Q90-Q99)├Q91Trisomy 18 and Trisomy 13
└Q91.1Trisomy 18, mosaicism (mitotic nondisjunction)
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