G71.1
Non-billableMyotonic disorders
Myotonic disorders
This is a header/category code. For billing purposes, use a more specific child code from the list below.
Coding Notes
Excludes 2
Conditions not included here, but the patient may have both
- •certain conditions originating in the perinatal periodP04-P96
- •certain infectious and parasitic diseasesA00-B99
- •complications of pregnancy, childbirth and the puerperiumO9A)O00
- •congenital malformations, deformations, and chromosomal abnormalitiesQ00-Q99
- •endocrine, nutritional and metabolic diseasesE00-E88
- •injury, poisoning and certain other consequences of external causesS00-T88
- •neoplasmsC00-D49
- •symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classifiedR00-R94
- •arthrogryposis multiplex congenitaQ74.3
- •metabolic disordersE70-E88
- •myositisM60
Child Codes (5)
Related Codes(5)
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(15)
UMLS
- Disorder, MyotonicC0553604
- Disorders, MyotonicC0553604
- MYOTONIC DISC0553604
- Myopathies, MyotonicC0553604
- Myopathy, MyotonicC0553604
- Myotonic DisorderC0553604
- Myotonic DisordersC0553604
- Myotonic MyopathiesC0553604
- Myotonic MyopathyC0553604
- Myotonic disorderC0553604
- Myotonic disorder (disorder)C0553604
- Myotonic disordersC0553604
- myotonic disorderC0553604
- myotonic disordersC0553604
- myotonic myopathyC0553604
Frequently Asked Questions
What is the ICD-10 code for myotonic disorders?
The ICD-10-CM code for myotonic disorders is G71.1. The full clinical description is "Myotonic disorders". G71.1 is a non-billable header code. Use a more specific child code for billing purposes.
What does ICD-10 code G71.1 mean?
ICD-10-CM code G71.1 represents “Myotonic disorders”. It is classified under Chapter 6: Diseases of the Nervous System and is a non-billable header code. Use a more specific child code for billing purposes.
Is G71.1 a billable code?
No, G71.1 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 5 child codes under G71.1.
What chapter is G71.1 in?
G71.1 is in Chapter 6: Diseases of the Nervous System (codes G00-G99).
What are the subcategories under G71.1?
G71.1 has 5 child codes, including: G71.11 (Myotonic muscular dystrophy), G71.12 (Myotonia congenita), G71.13 (Myotonic chondrodystrophy), G71.14 (Drug induced myotonia), and 1 more.
What are the UMLS CUIs for G71.1?
G71.1 is linked to 1 UMLS Concept Unique Identifier: C0553604. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does G71.1 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like myotonic disorders affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.
What is the ICD-11 equivalent of G71.1?
G71.1 maps to the ICD-11 code: 8C71.Z (Myotonic disorders, unspecified).
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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.