F40-F48

Non-Billable
ChapterF01–F99
Rankblock
Official Description

Anxiety, dissociative, stress-related, somatoform and other nonpsychotic mental disorders (F40-F48)

Metadata & Insights
  • •2026 ICD-10-CM Edition - Effective October 1, 2025.
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 5: Mental, Behavioral and Neurodevelopmental Disorders (F01-F99).

CH5 Parent Instructions

Includes
  • disorders of psychological development
Excludes2(Not included here)
  • symptoms, signs and abnormal clinical laboratory findings, not elsewhere classified (R00-R99)

Clinical Hierarchy

CH5Mental, Behavioral and Neurodevelopmental disorders (F01-F99)
F40-F48Anxiety, dissociative, stress-related, somatoform and other nonpsychotic mental disorders (F40-F48)
F40Phobic anxiety disorders
F41Other anxiety disorders
F42Obsessive-compulsive disorder
F43Reaction to severe stress, and adjustment disorders
F44Dissociative and conversion disorders
F45Somatoform disorders
F48Other nonpsychotic mental disorders

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to F40-F48:

chapterCH5
Mental, Behavioral and Neurodevelopmental disorders (F01-F99)
View context instructions

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

Find Procedures (ICD-10-PCS)

Find surgical and procedural codes related to Anxiety, dissociative, stress-related, somatoform and other nonpsychotic mental disorders (F40-F48).

Search PCS Codes