G09
ICD-10BillableSequelae of inflammatory diseases of central nervous system
Official ICD-10-CM descriptor (FY2026)
Sequelae of inflammatory diseases of central nervous system
G09 is valid for submission on a claim: CMS flags it as a billable, specific code.
Code first
Sequence the underlying condition before this code.
- condition resulting from (sequela) of inflammatory diseases of central nervous system
Notes
- Category G09 is to be used to indicate conditions whose primary classification is to G00-G08 as the cause of sequelae, themselves classifiable elsewhere. The 'sequelae' include conditions specified as residuals.
Where this code sits
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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.