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2026 ICD-10-CM · F90-F98

Behavioral and emotional disorders with onset usually occurring in childhood and adolescence

F90–F98 captures behavioral and emotional disorders with onset in childhood or adolescence — including ADHD (F90), conduct disorder (F91), oppositional defiant disorder (F91.3), tic disorders (F95), and elimination disorders (F98.0/F98.1). These codes are billed heavily in pediatric and adolescent mental health practice.

This reference is provided for billing and documentation guidance only. It is not medical advice. For clinical decision-making, consult the current CMS ICD-10-CM Official Guidelines for Coding and Reporting, and verify code applicability against the patient's documented clinical findings.

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