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G40-G47

This page shows all ICD-10-CM codes in the range from G40 to G47 in Chapter 6: Diseases of the nervous system.

Codes are organized hierarchically by chapter and three-character category codes (e.g., G40). Each category can be expanded to show more specific subcategory and subclassification codes. Click on the code buttons to expand and see child codes.

Subsection Information

Subsection: Episodic and paroxysmal disorders

Part of Chapter 6: Diseases of the nervous system

Codes in this Range (307+)

Chapter 6: Diseases of the nervous system

Range: G00-G99

G40Epilepsy and recurrent seizures
G43Migraine
G44Other headache syndromes
G45Transient cerebral ischemic attacks and related syndromes
G46Vascular syndromes of brain in cerebrovascular diseases
G47Sleep disorders
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