F91.9
F91.9: Conduct disorder, unspecified
Billable / specific codeICD-10-CM
F91.9 is a billable, specific ICD-10-CM code for conduct disorder, unspecified. It is valid for submission on a claim.
Check F91.9 with the rest of the claim: free scrubberInclusion terms
Alternative wordings a physician may use in the chart for this same code.
- Behavioral disorder NOS
- Conduct disorder NOS
- Disruptive behavior disorder NOS
- Disruptive disorder NOS
Excludes1 inherited from the categories above F91.9
A category’s note binds every code beneath it.
Excludes2 inherited from the categories above F91.9
Not part of this code, but both may be coded when both are present.
Other codes that can never be billed with F91.9
Their own Excludes1 notes name this code, so the conflict is not listed above.
Risk adjustment
No CMS-HCC V28 category: this code does not change a RAF score.
Medicare coverage
F91.9 is named in 5 Medicare coverage policies: 4 listing it as supporting medical necessity, and 1 listing it as NOT covered. Which one applies depends on your Medicare contractor.
- A52434Health and Behavior Assessment/Intervention – Medical Policy Articlenot covered
- A57130Billing and Coding: Psychiatric Codes
- A57361Billing and Coding: Monitored Anesthesia Care
- A57520Billing and Coding: Psychiatric Diagnostic Evaluation and Psychotherapy Services
Alphabetic index entries that lead here
- Disorder›conduct(childhood)
- Disorder›disruptive
- Disturbance›conduct
- Disturbance›conduct›disruptive
Code history
Unchanged in every release from FY2024 to FY2027.