Q91.2: Trisomy 18, translocation
Q91.2 is the billable ICD-10-CM diagnosis code for Trisomy 18, translocation. 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 Q91.2?
Q91.2 is the ICD-10-CM diagnosis code for Trisomy 18, translocation. It belongs to category Q91 (Trisomy 18 and Trisomy 13).
Is Q91.2 a billable code?
Yes. Q91.2 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 Q91.2 belong to?
Q91.2 is part of ICD-10-CM category Q91 — Trisomy 18 and Trisomy 13, which has 16 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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