Chromosomal abnormalities, not elsewhere classified
Q90-Q99
This section covers 88 ICD-10-CM codes (Q90-Q99) for chromosomal abnormalities, not elsewhere classified, including down syndrome, trisomy 18 and Trisomy 13, and other trisomies and partial trisomies of the autosomes, not elsewhere classified. 74 of these are billable codes usable on a claim; the rest are non-billable header categories that require a more specific child code.
Categories in Chromosomal abnormalities, not elsewhere classified
- Q90Down syndromenon-billable header
- Q91Trisomy 18 and Trisomy 13non-billable header
- Q92Other trisomies and partial trisomies of the autosomes, not elsewhere classifiednon-billable header
- Q93Monosomies and deletions from the autosomes, not elsewhere classifiednon-billable header
- Q95Balanced rearrangements and structural markers, not elsewhere classifiednon-billable header
- Q96Turner's syndromenon-billable header
- Q97Other sex chromosome abnormalities, female phenotype, not elsewhere classifiednon-billable header
- Q98Other sex chromosome abnormalities, male phenotype, not elsewhere classifiednon-billable header
- Q99Other chromosome abnormalities, not elsewhere classifiednon-billable header