F98.5
BillableAdult onset fluency disorder
Adult onset fluency disorder
Coding Notes
Includes
Conditions included under this code
- disorders of psychological development
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
Excludes 2
Conditions not included here, but the patient may have both
Related Codes(7)
F98.0Enuresis not due to a substance or known physiol condition
F98.1Encopresis not due to a substance or known physiol condition
F98.2Other feeding disorders of infancy and childhood
F98.3Pica of infancy and childhood
F98.4Stereotyped movement disorders
F98.8Oth behav/emotn disord w onset usly occur in chldhd and adol
F98.9Unsp behav/emotn disord w onst usly occur in chldhd and adol
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(68)
SNOMED CT
- Dysphemia39423001
- Non-fluent speech39423001
- Stammer39423001
- Stammering39423001
- Stutter39423001
- Stuttering39423001
- Functional voice disorder64161004
- Psychogenic voice disorder64161004
- Disorder of fluency229621000
- Dysfluency229622007
- Developmental dysfluency229623002
- Developmental non-fluency229623002
- Normal non-fluency229625009
- Primary stammering229626005
- Primary stuttering229626005
- Secondary stammering229627001
- Secondary stuttering229627001
- Covert stammering229628006
- Covert stuttering229628006
- Hidden stammering229628006
- Hidden stuttering229628006
- Idiopathic stammering229629003
- Idiopathic stuttering229629003
- Psychogenic stammering229630008
- Psychogenic stuttering229630008
- Acquired stammering229631007
- Acquired stuttering229631007
- Neurogenic stammering229632000
- Neurogenic stuttering229632000
- Borderline stammering229633005
- Borderline stuttering229633005
- Developmental expressive language disorder268734000
- Adult onset fluency disorder16237261000119100
Clinical Terms
- Secondary stuttering
- Primary stammering
- Idiopathic stuttering
- Stammer
- Developmental dysfluency
- Borderline stammering
- Stammering
- Acquired stuttering
- Psychogenic stammering
- Secondary stammering
- Acquired stammering
- Dysfluency
- Covert stuttering
- Psychogenic stuttering
- Adult onset fluency disorder (disorder)
- Neurogenic stuttering
- Disorder of fluency
- Neurogenic stammering
- Dysphemia
- Stutter
- Idiopathic stammering
- Hidden stammering
- Non-fluent speech
- Stuttering
- Borderline stuttering
- Hidden stuttering
- Covert stammering
- Developmental expressive language disorder
- Functional voice disorder
- Normal non-fluency
- Psychogenic voice disorder
- Developmental non-fluency
- Primary stuttering
Frequently Asked Questions
What is the ICD-10 code for adult onset fluency disorder?
The ICD-10-CM code for adult onset fluency disorder is F98.5. The full clinical description is "Adult onset fluency disorder". F98.5 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code F98.5 mean?
ICD-10-CM code F98.5 represents “Adult onset fluency disorder”. It is classified under Chapter 5: Mental, Behavioral and Neurodevelopmental Disorders and is a billable/specific code that can be used on a claim.
Is F98.5 a billable code?
Yes, F98.5 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is F98.5 in?
F98.5 is in Chapter 5: Mental, Behavioral and Neurodevelopmental Disorders (codes F01-F99).
What codes cannot be used with F98.5?
F98.5 has Excludes1 notes indicating codes that cannot be used together with it, including: childhood onset fluency disorder (F80.81); dysphasia (R47.02); fluency disorder in conditions classified elsewhere (R47.82); and 2 more.
What SNOMED CT codes does F98.5 map to?
F98.5 maps to 16 SNOMED CT concepts: 229631007, 16237261000119100, 229633005, 229628006, 229623002, and 11 more. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for F98.5?
F98.5 is linked to 1 UMLS Concept Unique Identifier: C2921027. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does F98.5 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like adult onset fluency disorder affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.
What is the ICD-11 equivalent of F98.5?
F98.5 maps to the ICD-11 code: 6A01.1 (Developmental speech fluency disorder).
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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.