ICD-10-CM Diagnosis Code (2025)
Official Description for F09
Unspecified mental disorder due to known physiological condition
Coding Notes & Guidelines for F09
- mild neurocognitive disorder due to known physiological condition (F06.7-)
- psychosis NOS (F29)
the underlying physiological condition
- Mental disorder NOS due to known physiological condition
- Organic brain syndrome NOS
- Organic mental disorder NOS
- Organic psychosis NOS
- Symptomatic psychosis NOS
About ICD-10-CM Code F09 (Unspecified mental disorder due to known physiological condition)
ICD-10-CM code F09 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM F09 became effective on October 1, 2024.
This page provides detailed information about F09 - Unspecified mental disorder due to known physiological condition. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Unspecified mental disorder due to known physiological condition.