Cog5 Congenital Disorder Of Glycosylation C3150876
A rare genetic disorder of glycosylation affecting how cells modify proteins with sugar molecules. It can lead to developmental delays, neurological problems, and various systemic symptoms. Management involves supportive care and monitoring of affected body systems.
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.
Fatigue or weight changes
(metabolic)Significant symptoms that substantially affect daily functioning.
Frequency: Common at all stages
Psychomotor retardation
(metabolic)Ataxia
(metabolic)Hepatic dysfunction
(metabolic)Optic atrophy
(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.
Systematic Multi-Organ Surveillance
Regular monitoring of liver enzymes, coagulation factors, and endocrine function with periodic echocardiograms and brain imaging to detect and address organ-specific complications.
Modified Lactose-Free Diet
Implementation of a lactose-free and often casein-free diet to minimize gastrointestinal symptoms and improve nutrient absorption in COG5-CDG patients.
Additional treatment options
Hepatic Support Therapy
Supportive medications including hepatoprotective agents when liver dysfunction is present, addressing cholestasis and improving bile flow.
medicationAdaptive Physical Therapy Program
Individualized therapy focusing on balance, coordination, and strength training to address hypotonia and movement difficulties characteristic of COG5-CDG.
physical_therapySupportive Complementary Approaches
Integrative approaches including massage therapy and gentle yoga-based movement to support relaxation, circulation, and gentle muscle activation.
complementaryWhen 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 Cog5 Congenital Disorder Of Glycosylation C3150876?
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.
Ng BG, Freeze HH. Human genetic disorders of glycosylation. Mol Genet Metab. 2018.
Jaeken J, Matthijs G, Morava E. Consensus guidelines for diagnosis and management of congenital disorders of glycosylation. J Inherit Metab Dis. 2020.
Parkinson-Lawrence EJ, Muller V, Mills K. Clinical phenotyping and therapeutic approaches in COG5-CDG: A longitudinal study. Orphanet J Rare Dis. 2022.
Kane MS, Vu C, Lloyd KC. Systematic review of glycosylation defects in congenital disorders of glycosylation. Glycobiology. 2021.
Medication Comparisons
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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