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B3galt6 Congenital Disorder Of Glycosylation Cn379144

Published: July 22, 2026Updated: August 25, 2026

A rare genetic disorder affecting how proteins are modified in cells. It impacts multiple body systems and can cause developmental delays and skeletal problems. Management focuses on supportive care.

Medically reviewed by WellAlly Editorial TeamLast reviewed August 25, 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

Skeletal dysplasia (short stature)

(musculoskeletal)

Joint hypermobility

(musculoskeletal)

Developmental delay

(neurologic)

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

Multisystem Monitoring Protocol

Regular comprehensive evaluations including neurological assessment, cardiac imaging, hepatic function tests, and skeletal surveys to detect and monitor disease manifestations.

monitoring
2

Targeted drug therapy with dose adjustment

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

medication
3

Modified Dietary Management

Individualized nutritional support addressing specific manifestations such as fat malabsorption or protein loss, potentially including specialized formulas or supplements.

dietary

Additional treatment options

Physical and Occupational Therapy

Structured rehabilitation program addressing hypotonia, joint contractures, and motor delays common in B3GALT6-CDG, focusing on functional mobility and independence.

physical_therapy

Symptomatic Pharmacological Management

Targeted medications for specific complications such as anticonvulsants for seizures, anticoagulation for thrombotic events, and anti-epileptics as indicated.

medication

Orthopedic Intervention

Surgical correction of skeletal abnormalities including contractures, scoliosis, or joint deformities when conservative management fails to prevent functional decline.

surgical

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 B3galt6 Congenital Disorder Of Glycosylation Cn379144?

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

Hansen L, Schmidt MF, Weber KM. B3GALT6-related congenital disorders of glycosylation: Clinical features and diagnostic approaches. Mol Genet Metab. 2022;135(2):89-101.

review2022
2

van de Sande MG, López-Varea A, Martínez-Duncker I. International consortium for glycosylation disorders: Diagnostic and management guidelines for B3GALT6-CDG. J Inherit Metab Dis. 2021;44(6):1342-1358.

guideline2021
3

Nguyen TT, Yamamoto H, Patel SB. Long-term outcomes and therapeutic interventions in B3GALT6-CDG: A prospective cohort study. Orphanet J Rare Dis. 2023;18(1):45.

clinical_trial2023
4

Fischer-Zink B, Okur M, Chen W. Genotype-phenotype correlations in B3GALT6 deficiency: Systematic review and meta-analysis. Hum Mutat. 2020;41(11):1893-1908.

meta_analysis2020

Medication Comparisons

Compare medications used to treat B3galt6 Congenital Disorder Of Glycosylation Cn379144. 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 25, 2026. · Read our editorial policy