F78: Other intellectual disabilities
Codes under F78 (Other intellectual disabilities). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| F78.A | Other genetic related intellectual disabilities | — |
| F78.A | Other genetic related intellectual disabilities | — |
| F78.A1 | SYNGAP1-related intellectual disability | ✓ |
| F78.A1 | SYNGAP1-related intellectual disability | ✓ |
| F78.A9 | Other genetic related intellectual disability | ✓ |
| F78.A9 | Other genetic related intellectual disability | ✓ |
Frequently asked questions
What is ICD-10-CM code F78?
F78 is an ICD-10-CM category covering Other intellectual disabilities. It contains 6 more specific diagnosis codes, 4 of which are billable.
Is F78 a billable code?
No — F78 is a category header and isn't billable on its own. Code to the highest level of specificity using one of its subcodes (for example F78.A — Other genetic related intellectual disabilities). 4 of the 6 codes under F78 are billable.
What codes fall under F78?
F78 includes F78.A, F78.A, F78.A1, F78.A1, F78.A9, plus 1 more. See the full list with descriptions and billable status above.
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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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