Other nonpsychotic mental disorders (F48) ICD-10-CM
The F48 code range covers other nonpsychotic mental disorders with 5 ICD-10-CM diagnosis codes. 4 of them are billable and valid for claim submission in fiscal year 2026, and the category headers group them but cannot themselves be billed.
Codes in the F48 Range 5 codes · 4 billable
Clinical Terms in This Code Range
Definitions from the National Library of Medicine for conditions coded in the F48 range.
Depersonalization
State in which an individual perceives or experiences a sensation of unreality concerning the self or the environment; it is seen in disorders such as schizophrenia, affection disorders, organic mental disorders, and personality disorders. (APA, Thesaurus of Psychological Index Terms, 8th ed.)
About the F48 Code Range
ICD-10 code section F48 covers various other nonpsychotic mental disorders. These codes are specifically used to classify mental health conditions that do not involve psychosis but still affect perception, mood, or behavior in distinctive ways.
The category includes F48.1, Depersonalization-derealization syndrome, which is characterized by feelings of unreality about one’s body or surroundings—a condition also known by terms like depersonalization disorder or derealization syndrome. This code helps in documenting trauma- and stressor-related dissociative symptoms. F48.2, Pseudobulbar affect, describes involuntary emotional expression, also called uncontrolled behavior, commonly linked to neurological disorders. The F48.8 code accounts for a diverse range of specified nonpsychotic mental disorders, including culturally specific syndromes and various forms of neuroses such as writer's cramp neurosis or Qi-gong psychotic reaction. Lastly, F48.9 is used when a nonpsychotic mental disorder is present but not clearly specified, covering conditions like generalized neurosis or tension. These codes are vital for accurately identifying and treating nonpsychotic conditions beyond typical mood disorders within the ICD-10 coding system.
Questions About This Page
How many billable codes are in the F48 range?
Of the 5 codes in this range, 4 are billable and valid for claim submission from October 1, 2025 through September 30, 2026. Category header codes group them but cannot be reported on claims.
What does the F48 range classify?
The range classifies other nonpsychotic mental disorders. Each code links to its own reference page with billing status, MS-DRG grouping, coding notes, and clinical information.
Related References
Source: CMS FY 2026 ICD-10-CM Tabular List and order file, effective October 1, 2025 through September 30, 2026.
