ICD-9-CM Codes ICD-9-PCS Codes

359.21 - Myotonic muscular dystrophy

GEM Conversion to ICD-10 CM

G71.11

Fs: 00000 – Myotonic muscular dystrophy

Sibling Codes

359.21

Myotonic muscular dystrophy

359.22

Myotonia congenita

359.23

Myotonic chondrodystrophy

359.24

Drug- induced myotonia

359.29

Other specified myotonic disorder

Parent Sibling Codes

359.0

Congenital hereditary muscular dystrophy

359.1

Hereditary progressive muscular dystrophy

359.3

Periodic paralysis

359.4

359.5

Myopathy in endocrine diseases classified elsewhere

359.6

Symptomatic inflammatory myopathy in diseases classified elsewhere

359.9

Myopathy, unspecified