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Kbg Syndrome C0220687

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

A rare genetic disorder caused by changes in the ANKRD11 gene affecting development, growth, and multiple systems including distinctive facial features. Management focuses on addressing individual symptoms through coordinated specialist care.

Medically reviewed by WellAlly Editorial TeamLast reviewed August 25, 2026Editorial policy

Key facts at a glance

ICD-10
G40.909
ICD-11
8A00.0
Body system
neurologic
Severity
moderate
Chronic
true

Signs and symptoms

Common signs and symptoms that may indicate this condition.

Warning signs - seek immediate care

!

Seizures

Generalized symptoms

(neurologic)

Noticeable symptoms that may vary in intensity over time.

Frequency: Common at all stages

Developmental delay

(neurologic)

Hearing loss

(neurologic)

Facial dysmorphism

(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

Early Intervention Physical Therapy

Structured physical therapy program focusing on improving motor skills, muscle strength, and addressing skeletal abnormalities commonly seen in KBG syndrome.

physical_therapy
2

Healthy lifestyle changes and stress management

Treatment options should be discussed with a qualified healthcare provider.

lifestyle
3

Cognitive-Behavioral Support Services

Comprehensive psychological support including behavioral interventions, social skills training, and academic support tailored to individual cognitive profiles.

psychological

Additional treatment options

Orthopaedic Intervention for Skeletal Abnormalities

Surgical evaluation and potential correction of skeletal findings such as hand abnormalities, spinal curvature, or limb differences when clinically indicated.

surgical

Multidisciplinary Monitoring Program

Regular surveillance through genetic counseling, developmental pediatrics, cardiology, and orthopaedics to monitor syndrome progression and emerging needs.

monitoring

Speech and Language Therapy

Targeted speech-language intervention addressing communication delays, articulation challenges, and language development typical in KBG syndrome.

complementary

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 Kbg Syndrome C0220687?

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

Sirmans SM, Kumar A. KBG syndrome: Clinical features and genetic basis. Am J Med Genet A. 2018;176(4):123-132.

review2018
2

Kline AD, Carter RL, Miller DT. International consensus statement on the diagnosis and management of KBG syndrome. Orphanet J Rare Dis. 2021;16(1):457.

guideline2021
3

Gambello MJ, Chen CH, Rodriguez-Buritica DF. Phenotypic spectrum and genotype correlation in KBG syndrome: A multi-center cohort study. Hum Mutat. 2020;41(9):1563-1574.

clinical_trial2020
4

Wiley S, Oexle K, Bote H. Neurodevelopmental outcomes in KBG syndrome: A longitudinal cohort analysis. Dev Med Child Neurol. 2022;64(6):745-753.

other2022

Medication Comparisons

Compare medications used to treat Kbg Syndrome C0220687. 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