Q90-Q99 ICD-10-CM Codes: Chromosomal abnormalities, not elsewhere classified
Browse the official section hierarchy and 88 code records in Vero’s FY 2027 U.S. ICD-10-CM reference dataset.
Official classification
About this section
Q90-Q99Chromosomal abnormalities, not elsewhere classified
Chapter 17 · Congenital malformations, deformations, chromosomal abnormalities, and genetic disorders (Q00-QA1)
Category index
Categories in Q90-Q99
Open a category to browse its progressively more specific child codes. This hierarchy gives you access to all 88 records in the section.
Q90Down syndrome
Q91Trisomy 18 and Trisomy 13
Q92Other trisomies and partial trisomies of the autosomes, not elsewhere classified
Q93Monosomies and deletions from the autosomes, not elsewhere classified
Q95Balanced rearrangements and structural markers, not elsewhere classified
Q96Turner's syndrome
Q97Other sex chromosome abnormalities, female phenotype, not elsewhere classified
Q98Other sex chromosome abnormalities, male phenotype, not elsewhere classified
Q99Other chromosome abnormalities, not elsewhere classified
Transparency
Source and release
This section reference is generated from Vero’s repository-backed ICD-10-CM section, description, and hierarchy datasets. The visible range, record count, links, FAQs, and structured data share those sources.
Review the CDC/NCHS ICD-10-CM sourceSection guidance
Frequently asked questions
What does the ICD-10-CM range Q90-Q99 include?
Q90-Q99 is the FY 2027 U.S. ICD-10-CM section for “Chromosomal abnormalities, not elsewhere classified.” This page lists 88 records from Vero’s repository-backed dataset.
Which ICD-10-CM chapter contains Q90-Q99?
Q90-Q99 is listed in Chapter 17, Congenital malformations, deformations, chromosomal abnormalities, and genetic disorders (Q00-QA1).
How many ICD-10-CM records are listed in Q90-Q99?
Vero’s FY 2027 reference dataset contains 88 records in Q90-Q99. Use the individual code pages to review descriptions, hierarchy, and coding notes.
Is Q90-Q99 itself a billable ICD-10-CM code?
Q90-Q99 is a section range, not a billable diagnosis code. Select the most specific code supported by the documentation and confirm the active code set and payer requirements.
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