Short answer · Medically reviewed summary · Last updated: 2026-05-08
Brody's Syndrome does not have a unique, dedicated code in the ICD-10 or ICD-9 classification systems, as it is an extremely rare neuromuscular condition often categorized under broader headings for myopathies. Clinicians typically use the ICD-10 code G71.3 (Mitochondrial myopathy, not elsewhere classified) or G72.89 (Other specified myopathies) to document a diagnosis of Brody's Syndrome for billing and administrative purposes. What is Brody's Syndrome? Brody's Syndrome is a rare skeletal muscle disorder characterized by exercise-induced muscle stiffness and delayed relaxation, particularly after strenuous activity.
ICD10 code of Brody's Syndrome and ICD9 code
ICD-10 and ICD-9 codes for Brody's Syndrome, with classification details for clinicians, coders and patients.
Brody's Syndrome does not have a unique, dedicated code in the ICD-10 or ICD-9 classification systems, as it is an extremely rare neuromuscular condition often categorized under broader headings for myopathies. Clinicians typically use the ICD-10 code G71.3 (Mitochondrial myopathy, not elsewhere classified) or G72.89 (Other specified myopathies) to document a diagnosis of Brody's Syndrome for billing and administrative purposes.
What is Brody's Syndrome?
Brody's Syndrome is a rare skeletal muscle disorder characterized by exercise-induced muscle stiffness and delayed relaxation, particularly after strenuous activity. The condition is caused by a dysfunction of the SERCA1 calcium pump in fast-twitch muscle fibers, which prevents the proper reuptake of calcium necessary for muscle relaxation. Because Brody's Syndrome is so rare, there is currently only one member on DiseaseMaps.org who has shared their personal experience with this diagnosis, highlighting the need for increased awareness.
How is Brody's Syndrome diagnosed?
Diagnosis of Brody's Syndrome is challenging due to its rarity and can involve a combination of clinical evaluation and specialized testing. Physicians typically look for the following diagnostic indicators:
- Electromyography (EMG) showing electrical silence during periods of muscle stiffness.
- Muscle biopsy revealing a deficiency or absence of the SERCA1 protein.
- Genetic testing to identify mutations in the ATP2A1 gene, which is associated with the autosomal recessive form of Brody's Syndrome.
- Clinical history of muscle cramping that improves with rest but worsens with repetitive, high-intensity exercise.
Is Brody's Syndrome hereditary?
Yes, Brody's Syndrome is a genetic condition. It is most commonly inherited in an autosomal recessive pattern, meaning an individual must inherit two copies of the mutated ATP2A1 gene to manifest symptoms. While the severity can vary, understanding the genetic basis is crucial for family planning and genetic counseling for those affected by Brody's Syndrome.
Next steps
- Consult a neuromuscular specialist or a neurologist who has experience with rare muscle channelopathies.
- Request a referral to a genetic counselor to discuss inheritance patterns and family testing.
- Connect with the Brody's Syndrome community on DiseaseMaps.org to share resources and experiences with others navigating rare neuromuscular conditions.
- Keep a detailed symptom log to discuss with your healthcare provider during your next consultation.
Medical disclaimer: This information is for educational purposes only and does not constitute medical advice, diagnosis, or treatment; always seek the advice of your physician regarding a medical condition.
References
- Orphanet: Brody Myopathy (ORPHA:1309)
- NIH Genetic and Rare Diseases Information Center (GARD): Brody Myopathy
- OMIM (Online Mendelian Inheritance in Man): Brody Myopathy (#601003)
- PubMed: Clinical and genetic spectrum of SERCA1-related myopathy
