MedCodeSearch
ICD-10-CM Current in FY 2027

G71.19

Other specified myotonic disorders

Release
FY 2027
Effective

Hierarchy

Where G71.19 sits in the official hierarchy. Each level is the code it is classified under.

  1. G71 Primary disorders of muscles
  2. G71.1 Parent Myotonic disorders
  3. G71.19 This code Other specified myotonic disorders

Official Coding Notes

Reproduced verbatim from the FY 2027 ICD-10-CM files. Notes labelled as inherited are declared on a parent code and apply here too.

Inclusion Terms

Myotonia fluctuans

Inclusion Terms

Myotonia permanens

Inclusion Terms

Neuromyotonia [Isaacs]

Inclusion Terms

Paramyotonia congenita (of von Eulenburg)

Inclusion Terms

Pseudomyotonia

Inclusion Terms

Symptomatic myotonia

Excludes2

arthrogryposis multiplex congenita ( Q74.3 )

Inherited from G71 — Primary disorders of muscles

Excludes2

metabolic disorders (E70-E88)

Inherited from G71 — Primary disorders of muscles

Excludes2

myositis ( M60 .-)

Inherited from G71 — Primary disorders of muscles

Version History

How G71.19 appears in each release imported from the official files, newest first.

  1. FY 2027 Effective

    Current

    Other specified myotonic disorders

  2. FY 2026 Effective

    Unchanged

    Other specified myotonic disorders

Other codes under G71.1

Codes whose official notes reference G71.19

Data Source

Code information on this page is derived from the FY 2027 ICD-10-CM files published by CDC NCHS and CMS.

Release
FY 2027
Effective
Source file
icd10cm-code-descriptions-2027.zip

Official ICD-10-CM source files (opens in a new tab)

MedCodeSearch is an independent reference service and is not affiliated with CMS, CDC, or the U.S. government.

Look up another code

Search ICD-10-CM, ICD-10-PCS and HCPCS Level II by code or description.