ICDwise
Q00–Q99

Congenital Malformations, Deformations and Chromosomal Abnormalities

Down syndrome, congenital heart defects

1,086 codes · FY2026 · ICD-10-CM · Page 21 of 22

Q92.7 Triploidy and polyploidy Billable Q92.8 Other specified trisomies and partial trisomies of autosomes Billable Q92.9 Trisomy and partial trisomy of autosomes, unspecified Billable Q93 Monosomies and deletions from the autosomes, not elsewhere classified Non-billable Q93.0 Whole chromosome monosomy, nonmosaicism (meiotic nondisjunction) Billable Q93.1 Whole chromosome monosomy, mosaicism (mitotic nondisjunction) Billable Q93.2 Chromosome replaced with ring, dicentric or isochromosome Billable Q93.3 Deletion of short arm of chromosome 4 Billable Q93.4 Deletion of short arm of chromosome 5 Billable Q93.5 Other deletions of part of a chromosome Non-billable Q93.51 Angelman syndrome Billable Q93.52 Phelan-McDermid syndrome Billable Q93.59 Other deletions of part of a chromosome Billable Q93.7 Deletions with other complex rearrangements Billable Q93.8 Other deletions from the autosomes Non-billable Q93.81 Velo-cardio-facial syndrome Billable Q93.82 Williams syndrome Billable Q93.88 Other microdeletions Billable Q93.89 Other deletions from the autosomes Billable Q93.9 Deletion from autosomes, unspecified Billable Q95 Balanced rearrangements and structural markers, not elsewhere classified Non-billable Q95.0 Balanced translocation and insertion in normal individual Billable Q95.1 Chromosome inversion in normal individual Billable Q95.2 Balanced autosomal rearrangement in abnormal individual Billable Q95.3 Balanced sex/autosomal rearrangement in abnormal individual Billable Q95.5 Individual with autosomal fragile site Billable Q95.8 Other balanced rearrangements and structural markers Billable Q95.9 Balanced rearrangement and structural marker, unspecified Billable Q96 Turner's syndrome Non-billable Q96.0 Karyotype 45, X Billable Q96.1 Karyotype 46, X iso (Xq) Billable Q96.2 Karyotype 46, X with abnormal sex chromosome, except iso (Xq) Billable Q96.3 Mosaicism, 45, X/46, XX or XY Billable Q96.4 Mosaicism, 45, X/other cell line(s) with abnormal sex chromosome Billable Q96.8 Other variants of Turner's syndrome Billable Q96.9 Turner's syndrome, unspecified Billable Q97 Other sex chromosome abnormalities, female phenotype, not elsewhere classified Non-billable Q97.0 Karyotype 47, XXX Billable Q97.1 Female with more than three X chromosomes Billable Q97.2 Mosaicism, lines with various numbers of X chromosomes Billable Q97.3 Female with 46, XY karyotype Billable Q97.8 Other specified sex chromosome abnormalities, female phenotype Billable Q97.9 Sex chromosome abnormality, female phenotype, unspecified Billable Q98 Other sex chromosome abnormalities, male phenotype, not elsewhere classified Non-billable Q98.0 Klinefelter syndrome karyotype 47, XXY Billable Q98.1 Klinefelter syndrome, male with more than two X chromosomes Billable Q98.3 Other male with 46, XX karyotype Billable Q98.4 Klinefelter syndrome, unspecified Billable Q98.5 Karyotype 47, XYY Billable Q98.6 Male with structurally abnormal sex chromosome Billable
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