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ICD-10 diagnosis code

G40.6 Grand mal seizures, unspecified (with or without petit mal)

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G40.6 is the ICD-10 code for Grand mal seizures, unspecified (with or without petit mal). It is a four-character subcategory of G40 (Epilepsy), the most specific level in the WHO edition. It belongs to the block G40–G47 (Episodic and paroxysmal disorders) in Chapter VI, Diseases of the nervous system.

Code type
Subcategory (4 characters)
Chapter
VI · G00–G99
Classification
WHO ICD-10, 2019 version

G40.6 in national editions

Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.

SwedenICD-10-SE

G40.6Grand mal-anfall, ospecificerat (med eller utan absenser)

NorwayICD-10-NO

G40.6Uspesifisert epilepsi med tonisk-kloniske anfall

DenmarkICD-10-DK

DG406Generaliseret tonisk-klonisk anfald UNS

FinlandICD-10-FI

G40.6Määrittämätön grand mal (ja mahdolliset petit mal -kohtaukset)

GermanyICD-10-GM

G40.6Grand-Mal-Anfälle, nicht näher bezeichnet (mit oder ohne Petit-Mal)

FranceICD-10-FR

G40.6Crise de grand mal, sans précision (avec ou sans petit mal)

NetherlandsICD-10-NL

G40.6grandmalaanvallen (met of zonder petit mal), niet-gespecificeerd

Based on the World Health Organization’s International Statistical Classification of Diseases and Related Health Problems, 10th revision (ICD-10), 2019 version, and the national editions published by each country’s health authority. This page is a reference, not coding advice; follow your national coding rules when you report.

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