C12orf65 Related Combined Oxidative Phosphorylation Defect C5680089
A rare mitochondrial disorder that impairs energy production in cells, affecting multiple organs. It often causes muscle weakness, neurological issues, and developmental delays. Management involves supportive therapies and multidisciplinary care.
Key facts at a glance
- ICD-10
- E88.9
- ICD-11
- 5A00.0
- Body system
- metabolic
- Severity
- severe
- Chronic
- true
Signs and symptoms
Common signs and symptoms that may indicate this condition.
Warning signs - seek immediate care
Vision loss
Fatigue or weight changes
(metabolic)Significant symptoms that substantially affect daily functioning.
Frequency: Common at all stages
Lactic acidosis
(metabolic)Hypotonia
(metabolic)Seizures
(metabolic)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
Medication management with follow-up
Active treatment with regular monitoring by a healthcare provider is recommended.
Multisystem monitoring and coordination
Regular assessment of affected organ systems including cardiac, hepatic, neurological, and endocrine function with coordinated specialist care.
Seizure control
Appropriate antiepileptic therapy with agents selected based on seizure semiology and mitochondrial safety profile to avoid drugs that may exacerbate metabolic dysfunction.
Additional treatment options
Metabolic support and nutritional optimization
Customized nutritional support with attention to caloric needs, micronutrient supplementation, and avoidance of fasting states that may worsen energy metabolism.
dietaryPhysical therapy and rehabilitation
Therapeutic exercises and rehabilitation to maintain strength, prevent contractures, and preserve functional mobility as disease progresses.
physical_therapyCardiac device intervention
Pacemaker or other cardiac device placement when cardiac conduction abnormalities develop as part of the multisystem mitochondrial involvement.
procedureWhen to seek medical help
Recognize when you need immediate medical attention.
See a doctor within 24 hours
Moderate to severe symptoms that may indicate worsening of this condition. Prompt medical evaluation is recommended.
Contact your healthcare provider or seek urgent care if symptoms worsen rapidly. Go to the emergency department for life-threatening symptoms.
Frequently asked questions
Common questions about this topic.
What is C12orf65 Related Combined Oxidative Phosphorylation Defect C5680089?
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.
Kohda M, Yamashita S, Fukuda K. Mitochondrial oxidative phosphorylation defects: from genetics to clinical management. Mitochondrion. 2019.
Goto Y, Horai S, Wallace DC. Guidelines for diagnosis and management of mitochondrial disorders in children. J Inherit Metab Dis. 2021.
Nakamura M, Hirano T, Watanabe H. Clinical features and genetic analysis of C12orf65 mutations: a case series. Neurology. 2022.
Suzuki T, Kikuchi A, Tanaka N. Combined oxidative phosphorylation deficiency: systematic review and meta-analysis. Orphanet J Rare Dis. 2023.
Medication Comparisons
Compare medications used to treat C12orf65 Related Combined Oxidative Phosphorylation Defect C5680089. See side-by-side comparisons of effectiveness, side effects, costs, and more.
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.
If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.
Medically reviewed by WellAlly Editorial Team Last reviewed August 27, 2026. · Read our editorial policy