ICD-10-CM FY2027 diagnosis code

G71.1: Myotonic disorders

Header code: not billableValid for dates of service October 1, 2026 to September 30, 2027

G71.1 groups related diagnoses under myotonic disorders. It cannot be used on a claim by itself. Choose the billable code below that matches the patient's record.

Billable codes under G71.1

G71.1 questions

Is G71.1 a billable code?

No. G71.1 is a header code that groups 5 more specific codes. Use one of the billable codes listed on this page instead.

What does G71.1 mean?

G71.1 is the ICD-10-CM code for Myotonic disorders. It is in chapter 6, Diseases of the nervous system (G00-G99).

Code titles come from the official ICD-10-CM files published by the CDC National Center for Health Statistics. Always check payer rules and the clinical record before billing.