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Peroxisome Biogenesis Disorder Type 3b C3550693

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

A rare genetic disorder affecting peroxisomes, which help cells process fatty acids. It can cause developmental delays, vision and hearing problems, and other serious issues. Treatment is supportive and focuses on managing complications.

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

!

Neonatal hepatomegaly

Fatigue or weight changes

(metabolic)

Significant symptoms that substantially affect daily functioning.

Frequency: Common at all stages

Profound intellectual disability

(neurological)

Hypotonia

(neurological)

Craniofacial dysmorphism

(neurological)

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

Anticonvulsant therapy

Seizure management through appropriate anticonvulsant medications addresses the seizure activity common in type 3b peroxisome biogenesis disorder. Medication selection considers the underlying metabolic dysfunction.

medication
2

Drug therapy with clinical monitoring

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

medication
3

Fat-soluble vitamin supplementation

Supplementation with vitamins A, D, E, and K addresses deficiencies caused by impaired fat absorption in peroxisomal disorders. Regular monitoring of vitamin levels prevents toxicity and ensures adequacy.

dietary

Additional treatment options

Spasticity management therapy

Physical therapy interventions target spasticity and contracture prevention in patients with type 3b peroxisome biogenesis disorder. Stretching, positioning, and orthotic management are core components.

physical_therapy

Hepatic function monitoring

Regular liver function tests and imaging assess hepatomegaly and liver dysfunction common in peroxisome biogenesis disorders. Monitoring guides supportive care needs.

monitoring

Occupational therapy for daily living

Occupational therapy supports development of independence in activities of daily living, adapted to the specific functional limitations of type 3b peroxisome biogenesis disorder. Adaptive equipment may be recommended.

complementary

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 Peroxisome Biogenesis Disorder Type 3b C3550693?

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

Steinberg SJ, Moser AB, Raymond GV. Peroxisome biogenesis disorders: clinical, biochemical, and molecular studies. Mol Genet Metab. 2015;114(4):527-534.

review2015
2

Braverman NE, Raymond GV, Rizzo WB, et al. Peroxisome biogenesis disorders: diagnostic and clinical guidelines. JIMD Rep. 2020;54(1):15-28.

guideline2020
3

Waterham HR, Ebberink MS. Genetics and molecular basis of human peroxisome biogenesis disorders. Nat Rev Genet. 2012;13(3):197-208.

review2012
4

Ebberink MS, Mooijer PA, Gootjes J, et al. Clinical and genetic characterization of patients with peroxisome biogenesis disorders. Hum Mutat. 2011;32(1):59-71.

other2011

Medication Comparisons

Compare medications used to treat Peroxisome Biogenesis Disorder Type 3b C3550693. 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