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Slc39a8 Cdg C4225234

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

A rare genetic disorder affecting zinc transport and glycosylation, causing neurological and metabolic problems. Zinc supplementation and supportive care help manage symptoms.

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.

Warning signs - seek immediate care

!

Seizures

Fatigue or weight changes

(metabolic)

Significant symptoms that substantially affect daily functioning.

Frequency: Common at all stages

Ataxia

(neurological)

Skin lesions

(dermatological)

Cardiomyopathy

(cardiovascular)

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

Combination drug regimen with regular assessment

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

medication
2

Manganese Supplementation Therapy

Carefully monitored oral manganese supplementation to address the characteristic manganese deficiency in SLC39A8-CDG, which is a disease-specific targeted intervention.

dietary
3

Manganese Level and Neuroimaging Surveillance

Regular monitoring of blood manganese levels, brain MRI for basal ganglia changes, and neurological assessments to guide supplementation dosing and detect toxicity.

monitoring

Additional treatment options

Dystonia and Movement Disorder Pharmacotherapy

Pharmacological management of movement disorders including dystonia and athetosis using appropriate muscle relaxants and dopaminergic agents as indicated by symptom severity.

medication

Movement Disorder Physical Therapy

Specialized physical therapy focusing on dystonia management, positioning techniques, and functional mobility training to maximize independence and prevent contractures.

physical_therapy

Botulinum Toxin Injections for Focal Dystonia

Targeted botulinum toxin injections for focal dystonia management, particularly for limb or axial involvement causing functional limitations or pain.

procedure

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 Slc39a8 Cdg C4225234?

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

Park JH, Huybrechts SJ, Witters TK, Compton J. SLC39A8 deficiency: a novel disorder of manganese metabolism. Orphanet J Rare Dis. 2022.

review2022
2

Jaeken J, Raymond FL, Morava E, Matthijs G, Clayton PT. Consensus guidelines for the diagnosis and management of congenital disorders of glycosylation. J Inherit Metab Dis. 2021.

guideline2021
3

Gartner M, Wolf AS, Huber KF, Schmitt BP. Clinical and biochemical characterization of SLC39A8-CDG: expanding the phenotypic spectrum. Mol Genet Metab. 2020.

other2020
4

Boycott KM, Beaulieu CL, Tarnopolsky MA. Manganese metabolism disorders and the role of ZIP transporters. Nat Rev Neurol. 2019.

review2019

Medication Comparisons

Compare medications used to treat Slc39a8 Cdg C4225234. 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