HealthAssure
HealthAssureGood Life
ICD10BillableValid for clinical use

ICD-10 Code G40.C09: Lafora progressive myoclonus epilepsy, not intractable, without status epilepticus

G40.C09 is a billable ICD-10 diagnosis code used to classify Lafora progressive myoclonus epilepsy, not intractable, without status epilepticus in medical records and claims. You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records. ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Diseases of the nervous system (G00-G99).

What is this code?

ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Diseases of the nervous system (G00-G99).

When is it used?

  • May be used when a clinician documents lafora progressive myoclonus epilepsy, not intractable, without status epilepticus in a patient's medical record.
  • May appear in hospital records, claims, referrals, and clinical documentation.
  • This code can be used as a clinically usable diagnosis entry in standardized coding workflows.

What it does not mean

  • A code alone does not explain severity, treatment plan, or outcome.
  • A medical code should not be treated as a substitute for a doctor's diagnosis or advice.

Code hierarchy

chapter
6Diseases of the nervous system (G00-G99)
block
G40-G47Episodic and paroxysmal disorders
category
G40Epilepsy and recurrent seizures
category
G40.CLafora progressive myoclonus epilepsy
category
G40.C0Lafora progressive myoclonus epilepsy, not intractable
currentG40.C0

Official coding notes

Inclusion terms
  • Lafora progressive myoclonus epilepsy NOS

Where you may see this code

You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records.

Related specialists

NeurologistGeneral Physician

Coding guidelines

Common synonyms

Lafora progressive myoclonus epilepsy, not intractable, without status epilepticus

Frequently asked questions

Code details

CodeG40.C09
SystemICD10
Display nameLafora progressive myoclonus epilepsy, not intractable, without status epilepticus
ChapterDiseases of the nervous system (G00-G99)
BlockEpisodic and paroxysmal disorders

Flags

BillableYes
Valid clinical useYes

Source

SourceICD-10
Version2026-annual
Releaseannual
Year2026

Index terms

Matched terms
Disease, diseasedEpilepsy, epileptic, epilepsia(attack) (cerebral) (convulsion) (fit) (seizure)Epilepsy, epileptic, epilepsia(attack) (cerebral) (convulsion) (fit) (seizure)Epilepsy, epileptic, epilepsia(attack) (cerebral) (convulsion) (fit) (seizure)Epilepsy, epileptic, epilepsia(attack) (cerebral) (convulsion) (fit) (seizure)Epilepsy, epileptic, epilepsia(attack) (cerebral) (convulsion) (fit) (seizure)Lafora disease
See also
Epilepsy, progressive, LaforaEpilepsy, myoclonus, progressive, Lafora

About this content

This page is prepared by HealthAssure's clinical team using official coding standards from ICD-10. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.