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ICD-10 diagnosis code

G40.3 Generalized idiopathic epilepsy and epileptic syndromes

This page in Swedish

G40.3 is the ICD-10 code for Generalized idiopathic 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 G40.3 includes

Conditions and terms that are coded here.

  • Benign:
    • myoclonic epilepsy in infancy
    • neonatal convulsions (familial)
  • Childhood absence epilepsy [pyknolepsy]
  • Epilepsy with grand mal seizures on awakening
  • Juvenile:
    • absence epilepsy
    • myoclonic epilepsy [impulsive petit mal]
  • Nonspecific epileptic seizures:
    • atonic
    • clonic
    • myoclonic
    • tonic
    • tonic-clonic

G40.3 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

G40.3Generaliserad idiopatisk epilepsi och epileptiska syndrom

  • G40.3ABarnepilepsi, med absenser, petit mal (pyknolepsi)
  • G40.3BJuvenil absensepilepsi
  • G40.3CJuvenil myoklon epilepsi
  • G40.3DBenigna neonatala kramper med eller utan hereditet
  • G40.3EBenign myoklon epilepsi hos spädbarn
  • G40.3FEpilepsi med grand mal efter uppvaknande
  • G40.3XPrimärt generaliserad idiopatisk epilepsi, ospecificerad
NorwayICD-10-NO

G40.3Generalisert idiopatisk epilepsi eller epileptisk syndrom

DenmarkICD-10-DK

DG403Generaliseret idiopatisk epilepsi

  • DG403ABenign myoklon epilepsi i barndommen
  • DG403BEpilepsi med myoklone-astatiske anfald
  • DG403CBørneabsenceepilepsi
  • DG403DEpilepsi med myoklone absencer
  • DG403EJuvenil absenceepilepsi
  • DG403FJuvenil myoklon epilepsi
  • DG403GIdiopatisk generaliseret epilepsi kun med generaliseret tonisk-klonisk anfald (GTCS)
  • DG403PNeonatale anfald
FinlandICD-10-FI

G40.3Epileptiset oireyhtymät, joissa esiintyy atoonisia, kloonisia, toonisia tai tooniskloonisia kohtauksia

  • G40.30Hyvänlaatuinen imeväisiän myoklonusepilepsia
  • G40.31Suvuittain esiintyvät hyvänlaatuiset vastasyntyneen kouristukset
  • G40.33Lapsuusiän poissaolokohtausepilepsia
  • G40.34Heräämisvaiheessa yleistyneitä toonis-kloonisia kohtauksia aiheuttava epilepsia
  • G40.35Nuoruusiän poissaolokohtausepilepsia
  • G40.36Nuoruusiän myoklooninen epilepsia
  • G40.37Baltian myoklonia
  • G40.39Muu tai määrittämätön yleistynyt epilepsiaoireyhtymä, jossa on atoonisia, kloonisia, toonisia tai toonis-kloonisia kohtauksia
GermanyICD-10-GM

G40.3Generalisierte idiopathische Epilepsie und epileptische Syndrome

FranceICD-10-FR

G40.3Épilepsie et syndromes épileptiques généralisés idiopathiques

NetherlandsICD-10-NL

G40.3gegeneraliseerde idiopathische epilepsie en epileptische syndromen

United StatesICD-10-CM

Listed through more specific codes:

  • G40.301Generalized idiopathic epilepsy and epileptic syndromes, not intractable, with status epilepticus
  • G40.309Generalized idiopathic epilepsy and epileptic syndromes, not intractable, without status epilepticus
  • G40.311Generalized idiopathic epilepsy and epileptic syndromes, intractable, with status epilepticus
  • G40.319Generalized idiopathic epilepsy and epileptic syndromes, intractable, without status epilepticus

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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