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additional code(s) to identify any associated physical conditions and degree of mental retardation (F70-F79)
- Q90.0 Trisomy 21, nonmosaicism (meiotic nondisjunction)
- Q90.1 Trisomy 21, mosaicism (mitotic nondisjunction)
- Q90.2 Trisomy 21, translocation
- Q90.9 Down's syndrome, unspecified
- Trisomy 21 NOS
Q91 Trisomy 18 and Trisomy 13
- Q91.0 Trisomy 18, nonmosaicism (meiotic nondisjunction)
- Q91.1 Trisomy 18, mosaicism (mitotic nondisjunction)
- Q91.2 Trisomy 18, translocation
- Q91.3 Trisomy 18, unspecified
- Q91.4 Trisomy 13, nonmosaicism (meiotic nondisjunction)
- Q91.5 Trisomy 13, mosaicism (mitotic nondisjunction)
- Q91.6 Trisomy 13, translocation
- Q91.7 Trisomy 13, unspecified
Q92 Other trisomies and partial trisomies of the autosomes, not elsewhere classified
- Includes: unbalanced translocations and insertions
- Excludes1: trisomies of chromosomes 13, 18, 21 (Q90-Q91)
- Q92.0 Whole chromosome trisomy, nonmosaicism (meiotic nondisjunction)
- Q92.1 Whole chromosome trisomy, mosaicism (mitotic nondisjunction)
- Q92.2 Partial trisomy
- Less than whole arm duplicated
- Whole arm or more duplicated
- Excludes1: partial trisomy due to unbalanced translocation (Q92.5)
- Q92.5 Duplications with other complex rearrangements
- Partial trisomy due to unbalanced translocations
- Code also any associated deletions due to unbalanced translocations, inversions and insertions (Q93.7)
- Q92.6 Marker chromosomes
- Trisomies due to dicentrics
- Trisomies due to extra rings
- Trisomies due to isochromosomes
- Individual with marker heterochromatin
- Q92.61 Marker chromosomes in normal individual
- Q92.62 Marker chromosomes in abnormal individual
- Q92.7 Triploidy and polyploidy
- Q92.8 Other specified trisomies and partial trisomies of autosomes
- Duplications identified by fluorescence in situ hybridization (FISH)
- Duplications identified by in situ hybridization (ISH)
- Duplications seen only at prometaphase
- Q92.9 Trisomy and partial trisomy of autosomes, unspecified
==Q93
