G40.C19 Lafora progressive myoclonus epilepsy, intractable, without status epilepticus

✓ Billable HCC RxHCC ICD-10-CM 2026

G40.C19 is a risk-adjusting diagnosis under CMS-HCC and RxHCC models. Create a free account to see model versions, RAF contribution, and AI-powered HCC suppression analysis.

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The ICD-10-CM code for Lafora progressive myoclonus epilepsy, intractable, without status epilepticus is G40.C19 (FY2026). It is a billable, claim-ready diagnosis code.

Classification

Section
G40-G47: Episodic and paroxysmal disorders (G40-G47)
Category G40
94 codes (58 billable)
FY2026 Status
Stable since FY2024

Also Known As

ICD-10-CM Alphabetic Index entries that lead to G40.C19:

  • Epilepsy, epileptic, epilepsia (attack) (cerebral) (convulsion) (fit) (seizure) › myoclonus, myoclonic › progressive › Lafora › intractable
  • Epilepsy, epileptic, epilepsia (attack) (cerebral) (convulsion) (fit) (seizure) › myoclonus, myoclonic › progressive › Lafora › intractable › without status epilepticus

Official Coding Guidelines

Dominant/nondominant side (TOC entry)

a. Dominant/nondominant side ................................................................................................. 45

— ICD-10-CM Official Guidelines for Coding and Reporting, FY2026, Section I.C.6.a
Pain - Category G89 (TOC entry)

b. Pain - Category G89.............................................................................................................. 45

— ICD-10-CM Official Guidelines for Coding and Reporting, FY2026, Section I.C.6.b

Source: CMS — ICD-10-CM Official Guidelines for Coding and Reporting, FY2026

References

Cite This Page

Reference G40.C19 with the canonical source and edition:

G40.C19 — Lafora progressive myoclonus epilepsy, intractable, without status epilepticus. ICD-10 Coding Pro (ICD-10-CM FY2026). https://icd10codingpro.com/codes/G40.C19

Canonical URL: https://icd10codingpro.com/codes/G40.C19

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Reviewed by Prajwal Shrestha, CPC, CRC
Certified Professional Coder (CPC) and Certified Risk Adjustment Coder (CRC) · AAPC Member ID 01997614 · About · Editorial policy · Content last reviewed: 2025-10-01

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