2027 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 2027 (October 1, 2026 through September 30, 2027) and groups to MS-DRG 886. Coders also document this condition as adjustment disorder with anxious mood. 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.
- Adjustment disorder with anxious mood
- Anxiety disorder of adolescence
- Childhood and adolescent disturbance with selective mutism
- Does not speak
- Does not use language
- Finding related to ability to speak
- Selective mutism
- Selective mutism due to adjustment reaction
Instructional NotesGuidance
Instructions from the official ICD-10-CM Tabular List that apply to F94.0: its own notes plus those printed at block F90-F98 and Chapter 5. A note printed at a category, block or chapter applies to every code under it.
Includes
Further defines, or gives examples of, the content of the category.
- disorders of psychological development
Applicable To
Conditions this code is used for: synonyms of the title or, for "other specified" codes, the conditions assigned to it. The list is not exhaustive.
- Elective mutism
Excludes2
Not included here: the excluded condition is not part of this code, but a patient may have both, so both codes may be reported.
Notes
General instructions on how these codes are used.
Source: CMS ICD-10-CM Tabular List. How to read instructional notes.
Referenced in Other NotesGuidance
Instructional notes printed at other codes that name F94.0, its category, or a range that includes it.
Excludes2 2
These codes carry an Excludes2 note naming F94.0: its condition is not part of those codes, and both may be reported when the patient has both.
Notes 1
These notes mention F94.0.
- Block F90-F98 Behavioral and emotional disorders with onset usually occurring in childhood and adolescence
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, 2026 through September 30, 2027.
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, 2026 through September 30, 2027.
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 1.6455. 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.
