2027 ICD-10-CM Diagnosis Code F45Somatoform disorders

ICD-10-CM Codes›F01–F99›F40-F48›F45

ICD-10-CM F45
CMSSource: CMS FY 2027 ICD-10-CM dataset · Effective Oct 1, 2026 – Sep 30, 2027

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

Instructional NotesGuidance

Instructions from the official ICD-10-CM Tabular List that apply to F45: its own notes plus those printed at Chapter 5. A note printed at a category, block or chapter applies to every code under it.

Includes

Further defines, or gives examples of, the content of the category.

From Chapter 5 (F01-F99) Mental and behavioural disorders applies to 872 codes
  • disorders of psychological development

Excludes2

Not included here: the excluded condition is not part of this code, but a patient may have both, so both codes may be reported.

On F45 itself
  • 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)
From Chapter 5 (F01-F99) Mental and behavioural disorders applies to 872 codes
  • symptoms, signs and abnormal clinical laboratory findings, not elsewhere classified (R00-R99)

Source: CMS ICD-10-CM Tabular List. How to read instructional notes.

Referenced in Other NotesGuidance

Instructional notes printed at other codes that name F45, its category, or a range that includes it.

Excludes2 2

These codes carry an Excludes2 note naming F45: its condition is not part of those codes, and both may be reported when the patient has both.

  • F41 Other anxiety disorders
    psychophysiologic disorders (F45.-)
  • F93.0 Separation anxiety disorder of childhood
    nonpsychotic mental disorders (F40-F48) names F40-F48, which includes this code

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 2017–2026No changes
FY 2027CurrentCurrent code set, no changesEffective October 1, 2026 through September 30, 2027.

Questions About F45Overview

What is the ICD-10 code for somatoform disorders?

F45 is the ICD-10-CM category for somatoform disorders, but it is a non-billable header: claims need a more specific code from this category, listed on this page.

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.