F95 vs F98.5
F95 and F98.5 can never be reported together. ICD-10-CM declares them mutually exclusive with an Excludes1 note, meaning the two conditions cannot occur in the same patient — so exactly one of them is correct for any given encounter.
The official note, declared on F98.5
tic disorders (F95.-)
F95
Tic disorder
Not billable
- Chapter 5
- Mental, Behavioral and Neurodevelopmental disorders
- Section
- F90-F98
F98.5
Adult onset fluency disorder
Billable
- Chapter 5
- Mental, Behavioral and Neurodevelopmental disorders
- Section
- F90-F98
Indexed under
- Stuttering › adult onset
- Disorder › fluency › adult onset (of)
Excludes1 is not always absolute: where two conditions covered by the note are genuinely unrelated, CMS guidance permits reporting both. Document the reasoning rather than assuming it. More on Excludes1 vs Excludes2 · FY2027