ICD-10-CM 2027 · Q90-Q99
Chromosomal abnormalities, not elsewhere classified
Part of chapter 17, congenital malformations, deformations, chromosomal abnormalities, and genetic disorders.
About Q90-Q99
Q90Down syndrome
Q91Trisomy 18 and Trisomy 13
- Q91.0Trisomy 18, nonmosaicism (meiotic nondisjunction)
- Q91.1Trisomy 18, mosaicism (mitotic nondisjunction)
- Q91.2Trisomy 18, translocation
- Q91.3Trisomy 18, unspecified
- Q91.4Trisomy 13, nonmosaicism (meiotic nondisjunction)
- Q91.5Trisomy 13, mosaicism (mitotic nondisjunction)
- Q91.6Trisomy 13, translocation
- Q91.7Trisomy 13, unspecified
Q92Other trisomies and partial trisomies of the autosomes, not elsewhere classified
- Q92.0Whole chromosome trisomy, nonmosaicism (meiotic nondisjunction)
- Q92.1Whole chromosome trisomy, mosaicism (mitotic nondisjunction)
- Q92.2Partial trisomy
- Q92.5Duplications with other complex rearrangements
- Q92.6Marker chromosomes
- Q92.7Triploidy and polyploidy
- Q92.8Other specified trisomies and partial trisomies of autosomes
- Q92.9Trisomy and partial trisomy of autosomes, unspecified
Q93Monosomies and deletions from the autosomes, not elsewhere classified
- Q93.0Whole chromosome monosomy, nonmosaicism (meiotic nondisjunction)
- Q93.1Whole chromosome monosomy, mosaicism (mitotic nondisjunction)
- Q93.2Chromosome replaced with ring, dicentric or isochromosome
- Q93.3Deletion of short arm of chromosome 4
- Q93.4Deletion of short arm of chromosome 5
- Q93.5Other deletions of part of a chromosome
- Q93.7Deletions with other complex rearrangements
- Q93.8Other deletions from the autosomes
- Q93.9Deletion from autosomes, unspecified
Q95Balanced rearrangements and structural markers, not elsewhere classified
- Q95.0Balanced translocation and insertion in normal individual
- Q95.1Chromosome inversion in normal individual
- Q95.2Balanced autosomal rearrangement in abnormal individual
- Q95.3Balanced sex/autosomal rearrangement in abnormal individual
- Q95.5Individual with autosomal fragile site
- Q95.8Other balanced rearrangements and structural markers
- Q95.9Balanced rearrangement and structural marker, unspecified
Q96Turner's syndrome
Q97Other sex chromosome abnormalities, female phenotype, not elsewhere classified
Q98Other sex chromosome abnormalities, male phenotype, not elsewhere classified
- Q98.0Klinefelter syndrome karyotype 47, XXY
- Q98.1Klinefelter syndrome, male with more than two X chromosomes
- Q98.3Other male with 46, XX karyotype
- Q98.4Klinefelter syndrome, unspecified
- Q98.5Karyotype 47, XYY
- Q98.6Male with structurally abnormal sex chromosome
- Q98.7Male with sex chromosome mosaicism
- Q98.8Other specified sex chromosome abnormalities, male phenotype
- Q98.9Sex chromosome abnormality, male phenotype, unspecified
Q99Other chromosome abnormalities, not elsewhere classified
Block notes
Excludes2
- mitochondrial metabolic disorders (E88.4-)