Skip to content
Dx

ICD-10-CM 2027 diagnosis code

F45Somatoform disorders

Not billable — use a more specific code

F45 is a header code, so it can't be reported by itself. Choose one of the 6 more specific codes beneath it.

Code unchanged since ICD-10-CM took effect on October 1, 2015. Source: official FY2027 ICD-10-CM release from CDC/NCHS and CMS. Page updated September 29, 2026. About our data

About F45

F45 is the ICD-10-CM diagnosis code for somatoform disorders. It belongs to block F40-F48 (anxiety, dissociative, stress-related, somatoform and other nonpsychotic mental disorders) and chapter 5 (mental, Behavioral and Neurodevelopmental disorders). It is a header code, so it can't be reported by itself; one of its 6 subcodes must be used instead.

To report this condition, pick the subcode that matches the documentation: F45.0 (disorder), F45.1 (disorder), F45.2 (disorders), F45.4 (factors), F45.8 (disorders) and F45.9 (unspecified).

The conditions in its Excludes2 note aren't part of F45, but may be coded alongside it if the patient has both: dissociative and conversion disorders (F44.-), factitious disorders (F68.1-, F68.A), hair-plucking (F63.3), lalling (F80.0) and 9 more.

It has been part of ICD-10-CM since the code set took effect on October 1, 2015 and hasn't changed since.

Specific codes under F45

Coding notes

Excludes2Not included here — may be reported together if both conditions exist
  • 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)

Notes that apply from higher levels

Instructions written at a parent level also apply to F45.

Broader instructions also apply from Chapter 5: Mental, Behavioral and Neurodevelopmental disorders.

Codes whose notes reference F45

Code history

  1. 2016
  2. 2017
  3. 2018
  4. 2019
  5. 2020
  6. 2021
  7. 2022
  8. 2023
  9. 2024
  10. 2025
  11. 2026
  12. 2027
  • FY2016 (effective 10/1/2015): Added (first year of ICD-10-CM)
  • No changes since FY2016.

Common questions about F45

Is F45 billable?

No. F45 is a header code. Report one of its more specific subcodes instead.