2026 ICD-10-CM Diagnosis Code F45Somatoform disorders

ICD-10-CM Codes›F01–F99›F40-F48›F45

ICD-10-CM F45
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

F45 is a non-billable ICD-10-CM category code for somatoform disorders, so it cannot be submitted on claims. Use a more specific code from this category instead, such as F45.0, F45.1, F45.20, and F45.21.

Code Identity

ICD-10-CM Code
F45
Billable Status
No — Non-Billable Category
Code Describes
Somatoform disorders
Short Description
Somatoform disorders
Same as the full description in the CMS dataset.
Chapter
F40-F48
Anxiety, dissociative, stress-related, somatoform and other nonpsychotic mental disorders

Code Classification

ChapterF01–F99Mental and behavioural disorders
SectionF40-F48Anxiety, dissociative, stress-related, somatoform and other nonpsychotic mental disorders
CategoryF45Somatoform disorders
This CodeF45Somatoform disorders

Specific Coding for Somatoform disordersOverview

Non-specific codes like F45 require more characters. Use one of these billable codes instead:

  • Use F45.0 for Somatization disorder

  • Use F45.1 for Undifferentiated somatoform disorder

  • F45.2 for Hypochondriacal disorders

  • Use F45.20 for Hypochondriacal disorder, unspecified

  • Use F45.21 for Hypochondriasis

  • Use F45.22 for Body dysmorphic disorder

  • Use F45.29 for Other hypochondriacal disorders

  • F45.4 for Pain disorders related to psychological factors

  • Use F45.41 for Pain disorder exclusively related to psychological factors

  • Use F45.42 for Pain disorder with related psychological factors

  • Use F45.8 for Other somatoform disorders

  • Use F45.9 for Somatoform disorder, unspecified

Tabular List NotesGuidance

Coding notes and annotation back-references applicable to this code.

Type 2 Excludes

  • 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

Clinical InformationClinical

  • Somatoform Disorders

    disorders having the presence of physical symptoms that suggest a general medical condition but that are not fully explained by another medical condition, by the direct effects of a substance, or by another mental disorder. the medically unexplained symptoms must cause clinically significant distress or impairment in social, occupational, or other areas of functioning. in contrast to factitious disorders and malingering, the physical symptoms are not under voluntary control. (apa, dsm-v)

Patient EducationClinical

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..

The full article covers:

  • What are mental disorders?
  • What are some types of mental disorders?
  • What causes mental disorders?
  • Who is at risk for mental disorders?
  • How are mental disorders diagnosed?
  • What are the treatments for mental disorders?

Read the full article at MedlinePlus

Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2025No changes
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About F45Overview

Is F45 (Somatoform disorders) a billable code?

No. This is a category header that groups the codes for somatoform disorders, and headers cannot be submitted on claims. Claims for somatoform disorders need a more specific code from this category, such as F45.0, F45.1, and F45.20.