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Bardet Biedl Syndrome 4 C2936864

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

A genetic ciliopathy causing retinal dystrophy, obesity, polydactyly, and kidney dysfunction. Severity varies among affected individuals. Management requires lifelong monitoring and supportive interventions.

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

Key facts at a glance

ICD-10
Q89.9
ICD-11
LA00.0
Body system
congenital
Severity
moderate
Chronic
true

Signs and symptoms

Common signs and symptoms that may indicate this condition.

Cone-rod dystrophy

(congenital)

Generalized symptoms

(congenital)

Noticeable symptoms that may vary in intensity over time.

Frequency: Common at all stages

Obesity

(congenital)

Renal cystic disease

(renal)

Renal calyceal diverticula

(renal)

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

Exercise prescription and weight management

Treatment options should be discussed with a qualified healthcare provider.

lifestyle
2

Regular ophthalmologic monitoring

Routine eye examinations and visual acuity testing to monitor retinitis pigmentosa progression and provide timely interventions such as low vision aids.

monitoring
3

Polydactyly correction surgery

Surgical removal of extra digits performed in early childhood to improve hand function and cosmetic appearance.

surgical

Additional treatment options

Obesity management program

Comprehensive weight management including calorie-controlled diet and regular exercise to prevent secondary complications associated with obesity.

lifestyle

Renal-friendly diet modification

Dietary adjustments to support kidney function when structural abnormalities are present, including protein and sodium restriction as indicated.

dietary

Developmental and behavioral support

Early intervention services including occupational therapy and psychological support to address learning difficulties and social challenges.

psychological

When to seek medical help

Recognize when you need immediate medical attention.

Schedule an appointment soon

Symptoms associated with this condition. Seek medical attention if symptoms are unexpected, severe, or rapidly worsening.- Contact your healthcare provider if symptoms persist or worsen. Seek emergency care for sudden severe symptoms.

Frequently asked questions

Common questions about this topic.

Q

What is Bardet Biedl Syndrome 4 C2936864?

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

general

Medication Comparisons

Compare medications used to treat Bardet Biedl Syndrome 4 C2936864. 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