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ICD-10 diagnosis code

G40.4 Other generalized epilepsy and epileptic syndromes

This page in Swedish

G40.4 is the ICD-10 code for Other generalized epilepsy and epileptic syndromes. 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

What G40.4 includes

Conditions and terms that are coded here.

  • Epilepsy with:
    • myoclonic absences
    • myoclonic-astatic seizures
  • Infantile spasms
  • Lennox-Gastaut syndrome
  • Salaam attacks
  • Symptomatic early myoclonic encephalopathy
  • West syndrome

G40.4 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

G40.4Annan generaliserad epilepsi och andra epileptiska syndrom

  • G40.4AInfantil spasm, Wests syndrom
  • G40.4BMyoklonisk-astatiska anfall, Lennox-Gastauts syndrom
  • G40.4CMyoklona absenser
  • G40.4DAtypiska absenser
  • G40.4XGeneraliserad symtomatisk epilepsi, ospecificerad
NorwayICD-10-NO

G40.4Annen generalisert epilepsi eller epileptisk syndrom

DenmarkICD-10-DK

DG404Epileptisk encefalopati

  • DG404ATidlig myoklonusencefalopati
  • DG404BOhtahara syndrom
  • DG404CInfantile spasmer
  • DG404DSvær myoklon epilepsi i barndommen
  • DG404ELennox-Gastaut's syndrom (LGS)
  • DG404HRasmussens syndrom
FinlandICD-10-FI

G40.4Muu yleistynyt epilepsia tai epileptinen oireyhtymä

GermanyICD-10-GM

G40.4Sonstige generalisierte Epilepsie und epileptische Syndrome

FranceICD-10-FR

G40.4Autres épilepsies et syndromes épileptiques généralisés

NetherlandsICD-10-NL

G40.4overige vormen van gegeneraliseerde epilepsie en epileptische syndromen

United StatesICD-10-CM

Listed through more specific codes:

  • G40.42Cyclin-Dependent Kinase-Like 5 Deficiency Disorder

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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