G71.19 – Other specified myotonic disorders
ICD-10-CM 2027 diagnosis code · Diseases of myoneural junction and muscle
ICD-10-CM code
G71.19
- Code
G71.19(claims format:G7119)- Description
- Other specified myotonic disorders
- Billable
- Yes – valid for HIPAA-covered transactions
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 6. Diseases of the nervous system (G00-G99)
- Block
- G70-G73 Diseases of myoneural junction and muscle
- Parent codes
- G71 › G71.1
Notes for G71.19
Applicable to:
- Myotonia fluctuans
- Myotonia permanens
- Neuromyotonia [Isaacs]
- Paramyotonia congenita (of von Eulenburg)
- Pseudomyotonia
- Symptomatic myotonia
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
G71 – Primary disorders of muscles
Index terms for G71.19
Entries in the ICD-10-CM alphabetic index that lead to this code:
- Paramyotonia
- Neuromyotonia
- Pseudomyotonia
- Cataract, myotonic
- Eulenburg's disease
- Myotonia, fluctuans
- Myotonia, permanens
- Myotonia, symptomatic
- Disorder, myotonic NEC
- Von Eulenburg's disease
- Disease, diseased, Eulenburg's
- Cataract, in, myotonic disorders
- Disease, diseased, von Eulenburg's
- Cataract, associated with, myotonic disorders
Related codes in G71.1
- G71.11 – Myotonic muscular dystrophyBillable
- G71.12 – Myotonia congenitaBillable
- G71.13 – Myotonic chondrodystrophyBillable
- G71.14 – Drug induced myotoniaBillable
Frequently asked questions
What is ICD-10 code G71.19?
G71.19 is the ICD-10-CM code for other specified myotonic disorders, in the block G70-G73 (Diseases of myoneural junction and muscle).
Is G71.19 a billable code?
Yes. G71.19 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does G71.19 belong to?
It belongs to category G71 – Primary disorders of muscles.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.