I.C.5

Chapter 5: Mental, Behavioral and Neurodevelopmental disorders

In this section

I.C.5.aPain disorders related to psychological factors
I.C.5.bMental and behavioral disorders due to psychoactive substance use
I.C.5.cFactitious Disorder
I.C.5.dDementia

ICD-10-CM Official Guidelines for Coding and Reporting, FY 2026 (effective October 1, 2025). Published by CMS and NCHS. Reproduced for reference — always verify against the official CMS release.