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Bardet Biedl Syndrome 1 C2936862

Published: July 22, 2026Updated: August 27, 2026

A genetic syndrome causing obesity, vision loss, extra digits, and kidney problems. Treatment addresses each symptom with specialists coordinating comprehensive care.

Medically reviewed by WellAlly Editorial TeamLast reviewed August 27, 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.

Warning signs - seek immediate care

!

Rod-cone dystrophy (retinal degeneration)

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Renal cystic disease

Generalized symptoms

(congenital)

Noticeable symptoms that may vary in intensity over time.

Frequency: Common at all stages

Obesity

(endocrine)

Postaxial polydactyly

(musculoskeletal)

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

Lifestyle modification and dietary intervention

Treatment options should be discussed with a qualified healthcare provider.

lifestyle
2

Multidisciplinary care coordination

Regular surveillance by specialists including ophthalmology for retinal degeneration, nephrology for kidney function, endocrinology for metabolic issues, and genetics for disease management.

monitoring
3

Weight management program

Structured dietary intervention with calorie control and nutrition planning to manage obesity, which is a common feature that contributes to metabolic complications and加剧 kidney disease.

dietary

Additional treatment options

Vitamin A supplementation

Vitamin A supplementation to potentially slow retinal degeneration progression, though evidence is limited. Must be carefully dosed to avoid toxicity.

medication

Polydactyly surgical correction

Surgical removal of supernumerary digits, typically performed in early childhood. May also address syndactyly if present to improve hand function.

surgical

Early intervention services

Physical and occupational therapy to address developmental delays, improve motor skills, and maximize functional independence from early childhood.

physical_therapy

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 1 C2936862?

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 1 C2936862. 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 27, 2026. · Read our editorial policy