ICD-10-CM Codes Browse (Tabular) Diagnostic External Drug Neoplasm

G71.12 – Myotonia congenita

Coding Notes

Active

Billable, valid for HIPAA-covered transactions

Applicable To

Acetazolamide responsive myotonia congenita

Dominant myotonia congenita [Thomsen disease]

Myotonia levior

Recessive myotonia congenita [Becker disease]

GEM Conversion to ICD-9 CM

359.22

Fs: 00000 – Myotonia congenita

MDC / MS-DRG Reference

DRG 091

OTHER DISORDERS OF NERVOUS SYSTEM WITH MCC

DRG 092

OTHER DISORDERS OF NERVOUS SYSTEM WITH CC

DRG 093

OTHER DISORDERS OF NERVOUS SYSTEM WITHOUT CC/MCC

Back Reference of Diagnostic Codes

Becker's

disease

myotonia congenita, recessive form G71.12

Disease, diseased See also Syndrome

Becker

myotonia congenita G71.12

Thomsen G71.12

Myotonia (acquisita) (intermittens) M62.89

congenita (acetazolamide responsive) (dominant) (recessive) G71.12

levior G71.12

Thomsen disease G71.12

Sibling Codes

G71.11

Myotonic muscular dystrophy

G71.13

Myotonic chondrodystrophy

G71.14

Drug induced myotonia

G71.19

Other specified myotonic disorders

Parent Sibling Codes

G71.0

Muscular dystrophy

G71.1

Myotonic disorders

G71.2

Congenital myopathies

G71.3

Mitochondrial myopathy, not elsewhere classified

G71.8

Other primary disorders of muscles

G71.9

Primary disorder of muscle, unspecified

View in Tabular

Code	Title
G00-G99	Diseases of the nervous system (G00-G99)
G70-G73	Diseases of myoneural junction and muscle (G70-G73)
G71	Primary disorders of muscles
G71.1	Myotonic disorders
G71.12	Myotonia congenita Applicable to Acetazolamide responsive myotonia congenita Dominant myotonia congenita [Thomsen disease] Myotonia levior Recessive myotonia congenita [Becker disease]