Skip to content

Slc35a2 Congenital Disorder Of Glycosylation C3806688

Published: July 22, 2026Updated: August 20, 2026

A rare genetic condition disrupting protein glycosylation, affecting brain development and other organs. Supportive treatments address specific symptoms. Requires lifelong multidisciplinary care.

Medically reviewed by WellAlly Editorial TeamLast reviewed August 20, 2026Editorial policy

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.

Developmental delay

(neurological)

Fatigue or weight changes

(metabolic)

Significant symptoms that substantially affect daily functioning.

Frequency: Common at all stages

Intellectual disability

(neurological)

Feeding difficulties

(gastrointestinal)

Hepatic dysfunction

(hepatic)

Diagnosis and tests

How this condition is diagnosed and what test results mean.

Initial screening tests

1

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

1

Pharmacological management with first-line agents

Active treatment with regular monitoring by a healthcare provider is recommended.

medication
2

Systematic Multi-Organ Surveillance

Comprehensive monitoring program including neuroimaging, endocrine evaluation, ophthalmologic exams, and regular assessment of liver and coagulation parameters.

monitoring
3

Anticonvulsant Therapy for Seizure Management

Individualized anticonvulsant medication regimen for seizure control, selected based on seizure type and EEG findings while considering potential hepatic interactions.

medication

Additional treatment options

Neurological Rehabilitation Program

Comprehensive rehabilitation addressing ataxia, hypotonia, and movement disorders through targeted exercises, gait training, and coordination exercises.

physical_therapy

Glycemic and Metabolic Nutritional Management

Dietary management addressing hypoglycemia risk and metabolic abnormalities through structured meal timing and carbohydrate monitoring.

dietary

Neurodevelopmental and Behavioral Support

Psychological services providing developmental support, behavioral interventions, and family counseling to address cognitive challenges and improve quality of life.

psychological

When 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.

Q

What is Slc35a2 Congenital Disorder Of Glycosylation C3806688?

Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]

general

Sources and references

Authoritative medical sources used to create this content.

1

Ng BGY, Freeze HH. Human Genetic Disorders of Glycosylation Including SLC35A2-CDG. Mol Genet Metab. 2022.

review2022
2

Altassan R, Peanne R, Jaeken J, et al. International Consensus Guidelines for the Diagnosis and Management of Congenital Disorders of Glycosylation. J Inherit Metab Dis. 2021.

guideline2021
3

Kodera H, Nakamura K, Osaka H, et al. Novel SLC35A2 Mutations Causing Congenital Disorder of Glycosylation with Epilepsy and Developmental Delay. Clin Genet. 2020.

other2020
4

Dupont L, Polak S, Cuvelier G, et al. Neurological Manifestations in SLC35A2-CDG: A Systematic Review. Orphanet J Rare Dis. 2023.

review2023

Medication Comparisons

Compare medications used to treat Slc35a2 Congenital Disorder Of Glycosylation C3806688. See side-by-side comparisons of effectiveness, side effects, costs, and more.

View Medication Comparisons

This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.

Medical Disclaimer

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 20, 2026. · Read our editorial policy