F91.8

ICD-10Billable

Other conduct disorders

Official ICD-10-CM descriptor (FY2026)

Other conduct disorders

F91.8 is valid for submission on a claim — CMS flags it as a billable, specific code.

Inclusion terms

Other specified conduct disorder
Other specified disruptive disorder

Related codes in F91

Where this code sits

Chapter: 5. Mental, Behavioral and Neurodevelopmental disorders (F01-F99)
Block: Behavioral and emotional disorders with onset usually occurring in childhood and adolescence (F90-F98)
Parent code: F91

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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.