G40-G47
Episodic and paroxysmal disorders
Episodic and paroxysmal disorders (G40-G47) is a block within ICD-10-CM Chapter 6: Diseases of the nervous system. It holds 6 categories.
Categories in G40-G47
- G40Epilepsy and recurrent seizurescategory
- G43Migrainecategory
- G44Other headache syndromescategory
- G45Transient cerebral ischemic attacks and related syndromescategory
- G46Vascular syndromes of brain in cerebrovascular diseasescategory
- G47Sleep disorderscategory
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.