ICD-10 Code F72 – Severe intellectual disabilities (2026): Diagnosis, Symptoms & Billing Guide
2026 ICD-10-CM Diagnosis Code F72 – Severe intellectual disabilities
What it is
F72 identifies severe intellectual disabilities, a condition marked by major limits in intellectual functioning and adaptive behavior. You use it when documentation clearly describes severe, lifelong impairment.
Clinical signs
Clinical features vary; refer to documentation. Common references include very limited conceptual skills, significant communication difficulty, and substantial dependence for daily activities.
When to use this code
Use F72 when the record states severe intellectual disability or an equivalent term and supports significant adaptive impairment. It may appear in developmental, psychiatric, or long-term care documentation. If the severity is not clearly documented, check documentation before coding.
Do not use for
Do not use this code for mild or moderate intellectual disability, isolated learning problems, or temporary cognitive impairment. If the note describes intellectual disability without severity, check documentation.
Coding tip
Code F72 only when the provider documents severity; otherwise, query for clarification.