Anxiety, dissociative, stress-related, somatoform and other nonpsychotic mental disorders
92 codes in this section
About Section F40-F48
Section F40-F48 (F40-F48) covers anxiety, dissociative, stress-related, somatoform and other nonpsychotic mental disorders. It sits within the Mental, Behavioral and Neurodevelopmental disorders chapter (F01-F99). This section contains 92 ICD-10-CM codes, 71 billable diagnoses you can submit on a claim, and 21 non-billable header codes used to organize the hierarchy.
Codes are organized below by 3-character root. Click the root to see all subcodes underneath it, or click any individual code for full coverage data, payer policies, and linked CPT procedures.
Codes in F40-F48
Grouped by 3-character root code. Click any code for full detail.
| F40.0 | Agoraphobia | Header |
| F40.00 | Agoraphobia, unspecified | Billable |
| F40.01 | Agoraphobia with panic disorder | Billable |
| F40.02 | Agoraphobia without panic disorder | Billable |
| F40.1 | Social phobias | Header |
| F40.10 | Social phobia, unspecified | Billable |
| F40.11 | Social phobia, generalized | Billable |
| F40.2 | Specific (isolated) phobias | Header |
| F40.21 | Animal type phobia | Header |
| F40.210 | Arachnophobia | Billable |
| F40.218 | Other animal type phobia | Billable |
| F40.22 | Natural environment type phobia | Header |
| F40.220 | Fear of thunderstorms | Billable |
| F40.228 | Other natural environment type phobia | Billable |
| F40.23 | Blood, injection, injury type phobia | Header |
| F40.230 | Fear of blood | Billable |
| F40.231 | Fear of injections and transfusions | Billable |
| F40.232 | Fear of other medical care | Billable |
| F40.233 | Fear of injury | Billable |
| F40.24 | Situational type phobia | Header |
| F40.240 | Claustrophobia | Billable |
| F40.241 | Acrophobia | Billable |
| F40.242 | Fear of bridges | Billable |
| F40.243 | Fear of flying | Billable |
| F40.248 | Other situational type phobia | Billable |
| F40.29 | Other specified phobia | Header |
| F40.290 | Androphobia | Billable |
| F40.291 | Gynephobia | Billable |
| F40.298 | Other specified phobia | Billable |
| F40.8 | Other phobic anxiety disorders | Billable |
| F40.9 | Phobic anxiety disorder, unspecified | Billable |
| F41.0 | Panic disorder [episodic paroxysmal anxiety] | Billable |
| F41.1 | Generalized anxiety disorder | Billable |
| F41.3 | Other mixed anxiety disorders | Billable |
| F41.8 | Other specified anxiety disorders | Billable |
| F41.9 | Anxiety disorder, unspecified | Billable |
| F42.2 | Mixed obsessional thoughts and acts | Billable |
| F42.3 | Hoarding disorder | Billable |
| F42.4 | Excoriation (skin-picking) disorder | Billable |
| F42.8 | Other obsessive-compulsive disorder | Billable |
| F42.9 | Obsessive-compulsive disorder, unspecified | Billable |
| F43.0 | Acute stress reaction | Billable |
| F43.1 | Post-traumatic stress disorder (PTSD) | Header |
| F43.10 | Post-traumatic stress disorder, unspecified | Billable |
| F43.11 | Post-traumatic stress disorder, acute | Billable |
| F43.12 | Post-traumatic stress disorder, chronic | Billable |
| F43.2 | Adjustment disorders | Header |
| F43.20 | Adjustment disorder, unspecified | Billable |
| F43.21 | Adjustment disorder with depressed mood | Billable |
| F43.22 | Adjustment disorder with anxiety | Billable |
| F43.23 | Adjustment disorder with mixed anxiety and depressed mood | Billable |
| F43.24 | Adjustment disorder with disturbance of conduct | Billable |
| F43.25 | Adjustment disorder with mixed disturbance of emotions and conduct | Billable |
| F43.29 | Adjustment disorder with other symptoms | Billable |
| F43.8 | Other reactions to severe stress | Header |
| F43.81 | Prolonged grief disorder | Billable |
| F43.89 | Other reactions to severe stress | Billable |
| F43.9 | Reaction to severe stress, unspecified | Billable |
| F44.0 | Dissociative amnesia | Billable |
| F44.1 | Dissociative fugue | Billable |
| F44.2 | Dissociative stupor | Billable |
| F44.4 | Conversion disorder with motor symptom or deficit | Billable |
| F44.5 | Conversion disorder with seizures or convulsions | Billable |
| F44.6 | Conversion disorder with sensory symptom or deficit | Billable |
| F44.7 | Conversion disorder with mixed symptom presentation | Billable |
| F44.8 | Other dissociative and conversion disorders | Header |
| F44.81 | Dissociative identity disorder | Billable |
| F44.89 | Other dissociative and conversion disorders | Billable |
| F44.9 | Dissociative and conversion disorder, unspecified | Billable |
| F45.0 | Somatization disorder | Billable |
| F45.1 | Undifferentiated somatoform disorder | Billable |
| F45.2 | Hypochondriacal disorders | Header |
| F45.20 | Hypochondriacal disorder, unspecified | Billable |
| F45.21 | Hypochondriasis | Billable |
| F45.22 | Body dysmorphic disorder | Billable |
| F45.29 | Other hypochondriacal disorders | Billable |
| F45.4 | Pain disorders related to psychological factors | Header |
| F45.41 | Pain disorder exclusively related to psychological factors | Billable |
| F45.42 | Pain disorder with related psychological factors | Billable |
| F45.8 | Other somatoform disorders | Billable |
| F45.9 | Somatoform disorder, unspecified | Billable |
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Reviewed by the PayerReady Medical Coding Team
Verified against the CMS 2026 code set on May 31, 2026.
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