ICD-10-CM > F01-F99 > F01-F09 > F02 > F02.C > F02.C1 F02.C1 Dementia in other diseases classified elsewhere, severe, with behavioral disturbance Non-Billable/Non-Specific Codes F02.C11Dementia in other diseases classified elsewhere, severe, with agitationF02.C18Dementia in other diseases classified elsewhere, severe, with other behavioral disturbance