2026 ICD-10-CM Diagnosis Code F40.10Social phobia, unspecified

ICD-10-CM Codes›F01–F99›F40-F48›F40

ICD-10-CM F40.10
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

F40.10 is a billable ICD-10-CM diagnosis code for social phobia, unspecified. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026). In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Anxiety and fear-related disorders.

Code Identity

ICD-10-CM Code
F40.10
Billable Status
Yes — Valid for Submission
Code Describes
Social phobia, unspecified
Short Description
Social phobia, unspecified
Same as the full description in the CMS dataset.
Parent Code
F40.1
Social phobias

Code Classification

ChapterF01–F99Mental and behavioural disorders
SectionF40-F48Anxiety, dissociative, stress-related, somatoform and other nonpsychotic mental disorders
CategoryF40Phobic anxiety disorders
This CodeF40.10Social phobia, unspecified

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Anxiety disorder of childhood OR adolescence
  • Fear of activities in public
  • Fear of appearing ridiculous
  • Fear of being in a small group
  • Fear of being laughed at
  • Fear of being watched
  • Fear of eating in public
  • Fear of public speaking
  • Fear of saying the wrong thing
  • Fear of social gatherings
  • Fear of social group activities
  • Fear of speaking on the phone
  • Fear of speaking to people in authority
  • Fear of writing in public
  • Shyness disorder of childhood
  • Social fear
  • Social phobia
  • Social phobia, fear of eating in public
  • Social phobia, fear of public speaking
  • Social phobia, fear of public washing

Index to Diseases and InjuriesGuidance

Alphabetical index entries that point to this code.

External Cause of Injuries IndexGuidance

References for this code in the External Cause of Injuries Index.

    • Anthropophobia
    • Disorder(of)
      • avoidant
        • child or adolescent
    • Disorder(of)
      • shyness, of childhood and adolescence
    • Disorder(of)
      • social
        • anxiety (of childhood)
    • Disorder(of)
      • withdrawing, child or adolescent
    • Disturbance(s)
      • emotions specific to childhood and adolescence
        • with
          • sensitivity (withdrawal)
    • Disturbance(s)
      • emotions specific to childhood and adolescence
        • with
          • shyness
    • Disturbance(s)
      • emotions specific to childhood and adolescence
        • with
          • social withdrawal
    • Neurosis, neurotic
      • social
    • Phobia, phobic
      • social
    • Xenophobia

Clinical ClassificationClinical

AHRQ’s CCSR groups this code into broader clinical categories.

CCSR MBD005
Anxiety and fear-related disorders
Default principal diagnosis: inpatient Yes · outpatient Yes

Patient EducationClinical

Phobias

A phobia is a type of anxiety disorder. It is a strong, irrational fear of something that poses little or no real danger.

Read the full article at MedlinePlus

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

Convert F40.10 to ICD-9-CMHistory

The closest ICD-9-CM equivalents under the General Equivalence Mappings.

ICD-9-CM
300.23 Social phobia
Approximate The match is approximate rather than exact.

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 F40.10Overview

Is F40.10 (Social phobias) a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report social phobia, unspecified on HIPAA-covered claims from October 1, 2025 through September 30, 2026.

What is the ICD-9 equivalent of F40.10?

Under the General Equivalence Mappings, social phobia, unspecified converts to ICD-9-CM 300.23 (social phobia). The mapping is approximate, so confirm the match fits the documentation.

Footnotes

[1] Chronic - a chronic condition code indicates a condition lasting 12 months or longer and its effect on the patient based on one or both of the following criteria:

  • The condition results in the need for ongoing intervention with medical products,treatment, services, and special equipment
  • The condition places limitations on self-care, independent living, and social interactions.