2026 ICD-10-CM Diagnosis Code F94.0Selective mutism
ICD-10-CM Codes›F01–F99›F90-F98›F94
- Billable — Valid for Submission
- Chronic Condition
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) and groups to MS-DRG 886. 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
Code Classification
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
These terms are the conditions for which that code is to be used. The terms may be synonyms of the code title, or, in the case of "other specified" codes, the terms are a list of the various conditions assigned to that code. The inclusion terms are not necessarily exhaustive. Additional terms found only in the Alphabetic Index may also be assigned to a code.
A type 2 excludes note represents "Not included here". An excludes2 note indicates that the condition excluded is not part of the condition represented by the code, but a patient may have both conditions at the same time. When an Excludes2 note appears under a code, it is acceptable to use both the code and the excluded code together, when appropriate.
Index to Diseases and InjuriesGuidance
Alphabetical index entries that point to this code.
Disturbance (s) See Also: Disease;
Mutism See Also: Aphasia;
Reaction See Also: Disorder;
adjustment (anxiety) (conduct disorder) (depressiveness) (distress) See: Disorder, adjustment;
Clinical ClassificationClinical
AHRQ’s CCSR groups this code into broader clinical categories.
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.
Code HistoryHistory
Questions About F94.0Overview
What is the ICD-10 code for selective mutism?
The ICD-10-CM code for selective mutism is F94.0 (sometimes written as F940). It is billable on HIPAA-covered claims from October 1, 2025 through September 30, 2026.
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 MS-DRG does F94.0 group to?
When selective mutism is the principal diagnosis on an inpatient stay, it groups to MS-DRG 886 (behavioral and Developmental Disorders), which carries a relative weight of 2.0753. Higher weights mean higher Medicare reimbursement.
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.
