ICD-10-CM Diagnosis Code F09
Diagnosis Code: F09 (Raw: F09)
Description: Unspecified mental disorder due to known physiological condition
Classification: International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM)
Fiscal Year: 2026
CMS Section 111 Status: Valid for reporting.
Overview & Clinical Details
ICD-10-CM code F09 is designated for Unspecified mental disorder due to known physiological condition. In medical documentation and insurance billing, this code is utilized to specify medical diagnosis for patient records, reimbursement workflows, and compliance under CMS Section 111 mandatory insurer reporting guidelines.
