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trisomy

Wikipedia Summary

A trisomy is a type of polysomy in which there are three instances of a particular chromosome, instead of the normal two. A trisomy is a type of aneuploidy (an abnormal number of chromosomes)..

Related Codes (6)

Code	Description	Details
Q92	Other trisomies and partial trisomies of the autosomes, not elsewhere classified	Type 1 Excludes (1)
Q92.0	Whole chromosome trisomy, nonmosaicism (meiotic nondisjunction)
Q92.1	Whole chromosome trisomy, mosaicism (mitotic nondisjunction)
Q92.2	Partial trisomy	Type 1 Excludes (1)
Q92.8	Other specified trisomies and partial trisomies of autosomes
Q92.9	Trisomy and partial trisomy of autosomes, unspecified

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