F45 – Somatoform disorders
ICD-10-CM 2027 diagnosis code · Anxiety, dissociative, stress-related, somatoform and other nonpsychotic mental disorders
ICD-10-CM code
F45
- Code
F45(claims format:F45)- Description
- Somatoform disorders
- Billable
- No – use a more specific code below
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 5. Mental, Behavioral and Neurodevelopmental disorders (F01-F99)
- Block
- F40-F48 Anxiety, dissociative, stress-related, somatoform and other nonpsychotic mental disorders
Billable codes under F45
F45 is a header code and cannot be used on claims. Choose the most specific code:
- F45.0 – Somatization disorderBillable
- F45.1 – Undifferentiated somatoform disorderBillable
- F45.2 – Hypochondriacal disordersHeader (more codes below)
- F45.4 – Pain disorders related to psychological factorsHeader (more codes below)
- F45.8 – Other somatoform disordersBillable
- F45.9 – Somatoform disorder, unspecifiedBillable
Notes for F45
Excludes2 (not included here):
- dissociative and conversion disorders (F44.-)
- factitious disorders (F68.1-, F68.A)
- hair-plucking (F63.3)
- lalling (F80.0)
- lisping (F80.0)
- malingering [conscious simulation] (Z76.5)
- nail-biting (F98.8)
- psychological or behavioral factors associated with disorders or diseases classified elsewhere (F54)
- sexual dysfunction, not due to a substance or known physiological condition (F52.-)
- thumb-sucking (F98.8)
- tic disorders (in childhood and adolescence) (F95.-)
- Tourette's syndrome (F95.2)
- trichotillomania (F63.3)
Frequently asked questions
What is ICD-10 code F45?
F45 is the ICD-10-CM code for somatoform disorders, in the block F40-F48 (Anxiety, dissociative, stress-related, somatoform and other nonpsychotic mental disorders).
Is F45 a billable code?
No. F45 is a header code with more specific child codes; report one of the billable codes listed above.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.