F02.C18

ICD-10Billable

Dem in other dis classd elswhr, sev, with other beh distrb

Official ICD-10-CM descriptor (FY2026)

Dementia in other diseases classified elsewhere, severe, with other behavioral disturbance

F02.C18 is valid for submission on a claim — CMS flags it as a billable, specific code.

Inclusion terms

Dementia in other diseases classified elsewhere, severe, with behavioral disturbances such as sleep disturbance, social disinhibition, or sexual disinhibition
Major neurocognitive disorder in other diseases classified elsewhere, severe, with behavioral disturbances such as sleep disturbance, social disinhibition, or sexual disinhibition

Use additional code

Report an additional code to identify the associated condition.

code, if applicable, to identify wandering in dementia in conditions classified elsewhere (Z91.83)

Related codes in F02C1

F02.C11Dem in other diseases classd elswhr, severe, with agitation

Where this code sits

Chapter: 5. Mental, Behavioral and Neurodevelopmental disorders (F01-F99)
Block: Mental disorders due to known physiological conditions (F01-F09)
Parent code: F02.C1

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Source

ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.