F98.5
Billable codeAdult onset fluency disorder
The ICD-10 code for adult onset fluency disorder is F98.5.
Clinical notes
Excludes1 (not coded here)
An Excludes1 note is a pure exclusion: the excluded condition and this code should never be reported together, because the two conditions cannot occur at the same time (e.g. a congenital form vs. an acquired form of the same disease).
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •Confirm the excluded condition(s) listed above are not also present — Excludes1 conditions cannot be coded together with this one.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- F98.0Enuresis not due to a substance or known physiological condition
- F98.1Encopresis not due to a substance or known physiological condition
- F98.2Other feeding disorders of infancy and childhoodnon-billable header
- F98.3Pica of infancy and childhood
- F98.4Stereotyped movement disorders
- F98.8Other specified behavioral and emotional disorders with onset usually occurring in childhood and adolescence
- F98.9Unspecified behavioral and emotional disorders with onset usually occurring in childhood and adolescence
- F98.5Adult onset fluency disorder
ICD-9-CM equivalent
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.
- 3070
Associated MS-DRGs
F98.5 can serve as the principal diagnosis for these Medicare Severity Diagnosis-Related Groups.
Informational only — actual DRG assignment also depends on procedures, complications/comorbidities (CC/MCC), discharge status, and payer-specific rules not reflected here.