ICD-10-CM > F01-F99 > F01-F09 > F03 > F03.9 > F03.91 F03.91 Unspecified dementia, unspecified severity, with behavioral disturbance Non-Billable/Non-Specific Codes F03.911Unspecified dementia, unspecified severity, with agitationF03.918Unspecified dementia, unspecified severity, with other behavioral disturbance