2026 ICD-10-CM Diagnosis Code F94.0Selective mutism

ICD-10-CM Codes›F01–F99›F90-F98›F94

ICD-10-CM F94.0
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

F94.0 is a billable ICD-10-CM diagnosis code for selective mutism. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026). Coders also document this condition as childhood and adolescent disturbance with elective mutism. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Anxiety and fear-related disorders.

Code Identity

ICD-10-CM Code
F94.0
Billable Status
Yes — Valid for Submission
Code Describes
Selective mutism
Short Description
Selective mutism
Same as the full description in the CMS dataset.
Parent Code
F94
Disorders of social functioning with onset specific to childhood and adolescence

Code Classification

ChapterF01–F99Mental and behavioural disorders
SectionF90-F98Behavioral and emotional disorders with onset usually occurring in childhood and adolescence
CategoryF94Disorders of social functioning with onset specific to childhood and adolescence
This CodeF94.0Selective mutism

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Childhood and adolescent disturbance with elective mutism
  • Does not speak
  • Does not use language
  • Elective mutism
  • Elective mutism due to an adjustment reaction
  • Finding related to ability to speak

Tabular List NotesGuidance

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

Inclusion Terms

  • Elective mutism

Type 2 Excludes

  • pervasive developmental disorders F84
  • schizophrenia F20
  • specific developmental disorders of speech and language F80
  • transient mutism as part of separation anxiety in young children F93.0

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.

    • Disturbance(s)
      • emotions specific to childhood and adolescence
        • with
          • elective mutism
    • Mutism
      • elective (adjustment reaction) (childhood)
    • Mutism
      • selective (childhood)
    • Reaction
      • adjustment (anxiety) (conduct disorder) (depressiveness) (distress)
        • with
          • mutism, elective (child) (adolescent)

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

Clinical InformationClinical

  • Selective Mutism

    a persistent failure to speak in certain social situations (i.e., school) where speaking is expected, despite speaking in other situations.

Patient EducationClinical

Child Mental Health

It's important to recognize and treat mental illnesses in children early on. Once mental illness develops, it becomes a regular part of your child's behavior. This makes it more difficult to treat.

Read the full article at MedlinePlus

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

Convert F94.0 to ICD-9-CMHistory

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

ICD-9-CM
313.23 Selective mutism
Exact Match The mapping is direct, with no qualifiers.

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 F94.0Overview

Is F94.0 a billable code?

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

What is the ICD-9 equivalent of F94.0?

Under the General Equivalence Mappings, selective mutism converts to ICD-9-CM 313.23 (selective mutism). The mapping is a direct match.

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.