F45

Non-billable

Somatoform disorders

F45 is the ICD-10-CM code for Somatoform disorders. It is a non-billable category code — use a more specific child code such as F45.0 for billing.

Status
Header (non-billable)
Chapter
F01-F99
Subcodes
6
Edition
FY2026

F01-F99 Mental, Behavioral and Neurodevelopmental disorders

The main feature is repeated presentation of physical symptoms together with persistent requests for medical investigations, in spite of repeated negative findings and reassurances by doctors that the symptoms have no physical basis. If any physical disorders are present, they do not explain the nature and extent of the symptoms or the distress and preoccupation of the patient.

What this means — in plain language

MedlinePlus · NIH

What are mental disorders? Mental disorders (or mental illnesses) are conditions that affect your thinking, feeling, mood, and behavior. They may happen over a short period of time or come and go. Some can be chronic (long-lasting). They can affect your ability to relate to others and function each day.. What are some types of mental disorders? There are many different types of mental disorders. Some common ones…

Read more about Mental Disorders at MedlinePlus ↗

Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.

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". It falls under F01-F99 Mental, Behavioral and Neurodevelopmental disorders.
Is F45 a billable code?
No — F45 is a non-billable header code. Use a more specific child code (such as F45.0) for billing.
What are the subcodes of F45?
F45 has 6 more specific child codes, including F45.0, F45.1, F45.2.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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