G71.12

Billable

Myotonia congenita

G71.12 is the ICD-10-CM code for Myotonia congenita. It is a billable, specific code valid for reimbursement.

Status
Billable
Chapter
G00-G99
Parent
G71.1
Edition
FY2026

G00-G99 Diseases of the nervous system

Includes

  • Acetazolamide responsive myotonia congenita
  • Dominant myotonia congenita [Thomsen disease]
  • Myotonia levior
  • Recessive myotonia congenita [Becker disease]

Frequently asked questions

What is ICD-10 code G71.12?
G71.12 is the ICD-10-CM code for "Myotonia congenita". It falls under G00-G99 Diseases of the nervous system.
Is G71.12 a billable code?
Yes — G71.12 is a billable, specific ICD-10-CM code valid for reimbursement.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

Look up another ICD-10 code or condition

Powered by Eleplan

Free ICD-10 lookup is just the start. Eleplan keeps the whole care plan in one place.

Diagnoses, medications, documents, appointments, and the whole care team — organized and always in sync, with Ellie, your AI care assistant, on top of it. Free to start.