G71.12

Applicable To

• Acetazolamide responsive myotonia congenita

• Dominant myotonia congenita [Thomsen disease]

• Myotonia levior

• Recessive myotonia congenita [Becker disease]

Approximate Synonyms

• Congenital myotonia, autosomal dominant form

• Myotonia, autosomal dominant

Clinical Information

• Congenital genetic disease characterized by tonic spasm and rigidity of certain muscles when a voluntary movement is attempted; also known as thomsen’s disease.

Details

• G71.12 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.

• The 2023 edition of ICD-10-CM G71.12 became effective on October 1, 2022.

• This is the American ICD-10-CM version of G71.12 – other international versions of ICD-10 G71.12 may differ.