G24.1 Genetic torsion dystonia

The ICD-10-CM code for Genetic torsion dystonia is G24.1 (FY2026). It is a billable, claim-ready diagnosis code.

Classification

Chapter

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

Section

G20-G26: Extrapyramidal and movement disorders (G20-G26)

Category G24

12 codes (10 billable)

FY2026 Status

Stable since FY2024

Also Known As

ICD-10-CM Alphabetic Index entries that lead to G24.1:

• Schwalbe-Ziehen-Oppenheim disease
• Ziehen-Oppenheim disease
• Tortipelvis
• Dystonia › deformans progressiva
• Disease, diseased › Schwalbe-Ziehen-Oppenheim
• Dystonia › idiopathic
• Dystonia › familial
• Dysbasia › lordotica (progressiva)

Inclusion Terms

• Dystonia deformans progressiva
• Dystonia musculorum deformans
• Familial torsion dystonia
• Idiopathic familial dystonia
• Idiopathic (torsion) dystonia NOS
• (Schwalbe-) Ziehen-Oppenheim disease

U.S. Hospital Utilization

• An estimated 335 U.S. inpatient stays in 2023 included G24.1 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)