F78.A9: Other genetic related intellectual disability
F78.A9 is the billable ICD-10-CM diagnosis code for Other genetic related intellectual disability. 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 F78.A9?
F78.A9 is the ICD-10-CM diagnosis code for Other genetic related intellectual disability. It belongs to category F78 (Other intellectual disabilities).
Is F78.A9 a billable code?
Yes. F78.A9 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 F78.A9 belong to?
F78.A9 is part of ICD-10-CM category F78 — Other intellectual disabilities, which has 4 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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