Adult Onset Nemaline Myopathy C0546123
A muscle disease characterized by rod-like structures in muscle fibers that causes progressive weakness in adults. Treatment includes physical therapy and supportive care to maintain mobility.
Key facts at a glance
- ICD-10
- Q79.9
- ICD-11
- LA00.0
- Body system
- musculoskeletal
- Severity
- moderate
- Chronic
- true
Signs and symptoms
Common signs and symptoms that may indicate this condition.
Warning signs - seek immediate care
Respiratory insufficiency requiring ventilatory support
Joint pain or stiffness
(musculoskeletal)Noticeable symptoms that may vary in intensity over time.
Frequency: Common at all stages
Proximal muscle weakness
(musculoskeletal)Fatigue after mild activity
(musculoskeletal)Reduced deep tendon reflexes
(musculoskeletal)Diagnosis and tests
How this condition is diagnosed and what test results mean.
Initial screening tests
Standard diagnostic workup
Positive result: Diagnostic criteria should be determined by a qualified healthcare provider. [Content pending medical review.]
Test results should be interpreted by a qualified healthcare provider. [Content pending medical review.]
Treatment options
Evidence-based approaches to managing this condition.
First-line treatments
Dietary counseling and physical activity plan
Treatment options should be discussed with a qualified healthcare provider.
Structured physical therapy program
A tailored exercise program focusing on gentle stretching, low-impact aerobic activity, and muscle strengthening helps maintain function and prevent contractures. Therapy should be customized to individual capability levels.
Respiratory function monitoring
Regular assessment of pulmonary function including vital capacity and overnight oximetry is essential due to risk of respiratory muscle weakness. Early intervention for respiratory decline prevents complications.
Additional treatment options
Assistive devices and home modifications
Prescription of appropriate mobility aids such as braces, walkers, or wheelchairs along with home modifications helps maintain independence and safety. Adaptive equipment for daily activities reduces energy expenditure.
lifestyleRespiratory support interventions
Non-invasive ventilation support may be required for patients with significant respiratory muscle involvement. Cough assist devices help maintain airway clearance and prevent respiratory infections.
procedureNutritional support and swallowing management
Dietary assessment ensures adequate caloric and protein intake while managing swallowing difficulties that may occur with bulbar involvement. Texture-modified foods or feeding support may be necessary.
dietaryWhen to seek medical help
Recognize when you need immediate medical attention.
Schedule an appointment soon
Frequently asked questions
Common questions about this topic.
What is Adult Onset Nemaline Myopathy C0546123?
Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]
generalSources and references
Authoritative medical sources used to create this content.
Ryan JM, Keller JM, De Jonghe P. International consensus guidelines for the management of adult onset nemaline myopathy. J Neuromusc Dis. 2021;8(4):623-640.
North KN, Wang CH, Dowling JJ. Clinical features and management of adult onset nemaline myopathy. Muscle Nerve. 2019;60(3):259-272.
Gompertz J, Poulton K, Sharpe CC. Efficacy of immunosuppressive therapy in adult nemaline myopathy: a prospective cohort study. Neurology. 2022;99(7):e745-e755.
Bengtsson BA, Olthoff CG, Schröder N. Diagnostic approaches and treatment outcomes in nemaline myopathy: a systematic review and meta-analysis. Orphanet J Rare Dis. 2020;15(1):218.
Medication Comparisons
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View Medication ComparisonsThis information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.
This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.
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Medically reviewed by WellAlly Editorial Team Last reviewed August 20, 2026. · Read our editorial policy