G71.29 Other congenital myopathy

The ICD-10-CM code for Other congenital myopathy is G71.29 (FY2026). It is a billable, claim-ready diagnosis code.

Classification

Chapter

6: Diseases of the nervous system (G00-G99)

Section

G70-G73: Diseases of myoneural junction and muscle (G70-G73)

Category G71

35 codes (28 billable)

FY2026 Status

Stable since FY2024

Also Known As

ICD-10-CM Alphabetic Index entries that lead to G71.29:

• Myopathy › myosin storage
• Myopathy › central core
• Myopathy › hyaline body
• Disease, diseased › multicore
• Disease, diseased › multiminicore
• Disease, diseased › minicore
• Disease, diseased › central core
• Disproportion › fiber-type › congenital

Inclusion Terms

• Central core disease
• Minicore disease
• Multicore disease
• Multiminicore disease

U.S. Hospital Utilization

• An estimated 240 U.S. inpatient stays in 2023 included G71.29 among the documented diagnoses.

Source: National Inpatient Sample (NIS), Healthcare Cost and Utilization Project (HCUP), Agency for Healthcare Research and Quality, 2016–2023. National survey-weighted estimates.

Official Coding Guidelines

Dominant/nondominant side (TOC entry)

a. Dominant/nondominant side ................................................................................................. 45

Pain - Category G89 (TOC entry)

b. Pain - Category G89.............................................................................................................. 45

Source: CMS — ICD-10-CM Official Guidelines for Coding and Reporting, FY2026

References

• CMS — ICD-10-CM Official Code Set and Guidelines, FY2026
• CDC/NCHS — ICD-10-CM Files and Browser Tool
• AHRQ — HCUP National Inpatient Sample, Frequencies by Diagnosis Code (2016–2023)