Q97.2: Mosaicism, lines with various numbers of X chromosomes
Q97.2 is the billable ICD-10-CM diagnosis code for Mosaicism, lines with various numbers of X chromosomes. It is a fully specified code, so it can be reported on a claim (subject to clinical documentation and your payer's rules).
Frequently asked questions
What is ICD-10-CM code Q97.2?
Q97.2 is the ICD-10-CM diagnosis code for Mosaicism, lines with various numbers of X chromosomes. It belongs to category Q97 (Other sex chromosome abnormalities, female phenotype, not elsewhere classified).
Is Q97.2 a billable code?
Yes. Q97.2 is a billable, fully specified ICD-10-CM code, so it can be used on a claim (subject to documentation and payer rules).
What category does Q97.2 belong to?
Q97.2 is part of ICD-10-CM category Q97 — Other sex chromosome abnormalities, female phenotype, not elsewhere classified, which has 12 billable codes.
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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.
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