Billable / Specific Code
ICD-10-CM F79 is the diagnosis code for Unspecified intellectual disabilities. This code falls under the section "Intellectual disabilities" within Chapter 5 — Mental, Behavioral and Neurodevelopmental disorders (F01-F99). It is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.
Understanding where F79 sits in the ICD-10-CM classification helps ensure proper coding:
Yes, F79 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
F79 is the ICD-10-CM diagnosis code for "Unspecified intellectual disabilities". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
F79 is located in Section F70-F79 — "Intellectual disabilities" within Chapter 5 of the ICD-10-CM Tabular List.
Use F79 when the patients documented diagnosis matches "Unspecified intellectual disabilities" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.
The ICD-10-CM code for Unspecified intellectual disabilities is F79.
Yes, F79 can be used as a primary diagnosis code since it is billable and specific.
F79 is in Chapter 5 of the ICD-10-CM Tabular List.
Yes, F79 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.