Anxiety, dissociative, stress-related, somatoform and other nonpsychotic mental disorders (F40-F48) ICD-10-CM
The F40–F48 section covers anxiety, dissociative, stress-related, somatoform and other nonpsychotic mental disorders with 92 ICD-10-CM diagnosis codes, of which 71 are billable in fiscal year 2027. The section is organized into the 7 code ranges listed below.
Code Ranges in This Section 7 ranges · 92 codes
The info icon previews the code ranges inside each row and its instructional notations from the official Tabular List.
About the F40–F48 Code Range
Anxiety, fears, reactions to severe stress, and disorders involving thoughts, behavior, or physical symptoms appear together here.
F40 groups phobias, or fears, by type, including agoraphobia, social phobias, and specific phobias. F41 separates panic disorder, generalized anxiety disorder, and mixed anxiety disorders. F42 covers obsessive-compulsive disorder, including mixed obsessive thoughts and acts, hoarding, and skin-picking. Obsessions are intrusive thoughts or images; compulsions are repeated behaviors that may relieve tension.
F43 distinguishes acute stress reactions, post-traumatic stress disorder, and adjustment disorders. F44 separates dissociative disorders from conversion disorders identified by motor, seizure, sensory, or mixed symptoms. F45 includes disorders with physical symptoms not fully explained by a medical condition, substance, or another mental disorder. Its subdivisions include pain related to psychological factors. F48 groups other nonpsychotic mental disorders, including depersonalization-derealization syndrome and pseudobulbar affect.
Questions About This Page
How many codes are in the F40-F48 range?
The F40-F48 range contains 92 ICD-10-CM diagnosis codes in FY 2027. 71 of them are billable, and the rest are category headers that organize the section.
What conditions does F40-F48 cover?
The range covers anxiety, dissociative, stress-related, somatoform and other nonpsychotic mental disorders. The code ranges listed above break it into groups of related conditions, and each one links to its own page with the full code list.
Related References
Source: CMS FY 2027 ICD-10-CM Tabular List and order file, effective October 1, 2026 through September 30, 2027.
