ICD-10 Code F45 – Somatoform disorders (2026): Diagnosis, Symptoms & Billing Guide
2026 ICD-10-CM Diagnosis Code F45 – Somatoform disorders
What it is
F45 covers somatoform disorders, where physical symptoms are present but do not have a fully explained medical cause. Use it when the record documents a somatoform disorder diagnosis rather than a specific subtype.
Clinical signs
Clinical features vary; refer to documentation. Commonly, patients report persistent physical complaints, repeated medical visits, and distress that is not proportional to objective findings.
When to use this code
Use F45 when the clinician explicitly documents a somatoform disorder and no more specific F45 subcategory is provided. It may also fit when symptoms are described as medically unexplained and the provider links them to a somatoform diagnosis. Check documentation if the note names a different mental or neurologic disorder.
Do not use for
Do not assign F45 for confirmed organic disease, malingering, or factitious disorder. If the record supports a specific anxiety, depressive, or pain-related diagnosis instead, code that condition rather than F45.
Coding tip
Code the most specific documented F45 diagnosis available; if the subtype is unclear, query the provider.