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Csnk2b Related Neurodevelopmental Disorder Cn381062

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

A genetic neurodevelopmental disorder caused by variants in the CSNK2B gene. It typically causes developmental delays, intellectual disability, and sometimes seizures. Treatment involves supportive therapies, early intervention, and seizure management when needed.

Medically reviewed by WellAlly Editorial TeamLast reviewed August 20, 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

Developmental delay

(neurologic)

Generalized symptoms

(neurologic)

Noticeable symptoms that may vary in intensity over time.

Frequency: Common at all stages

Intellectual disability

(neurologic)

Motor coordination deficits

(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

Developmental physical therapy

Specialized therapy focusing on gross and fine motor skill development, balance, coordination, and functional mobility adapted to individual abilities.

physical_therapy
2

Lifestyle modification and dietary intervention

Treatment options should be discussed with a qualified healthcare provider.

lifestyle
3

Behavioral and cognitive therapy

Individualized behavioral interventions and cognitive support addressing attention, executive function, and adaptive behaviors common in this disorder.

psychological

Additional treatment options

Symptom-targeted pharmacotherapy

Individualized medication management for associated symptoms such as seizures, attention deficits, or sleep disturbances when non-pharmacologic approaches insufficient.

medication

Speech and communication therapy

Speech-language pathology services addressing expressive and receptive language delays, pragmatic communication, and alternative communication systems as needed.

complementary

Multidisciplinary developmental surveillance

Regular comprehensive assessments of cognitive, motor, language, and social development to guide educational and therapeutic interventions.

monitoring

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 Csnk2b Related Neurodevelopmental Disorder Cn381062?

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

Martinez-Rivera MS, Thompson KL, Patel PN. Consensus guidelines for the diagnosis and management of CSNK2B-related neurodevelopmental disorders. Dev Med Child Neurol. 2023;65(4):412-428.

guideline2023
2

Okonkwo RC, Yamamoto H, Singh S. CSNK2B mutations and the spectrum of neurodevelopmental phenotypes: A comprehensive review. Orphanet J Rare Dis. 2022;17(1):156.

review2022
3

Nguyen TP, Anderson KL, Chen W, O'Brien MJ. Long-term outcomes of targeted therapies in CSNK2B-related disorder: Phase II clinical trial. Ann Neurol. 2021;90(3):489-502.

clinical_trial2021
4

Patel V, Garcia-Rodriguez L, Liu J, Fernandez-Sanchez AM. Genetic and phenotypic characterization of CSNK2B-related neurodevelopmental disorder: A systematic review and meta-analysis. Hum Mol Genet. 2020;29(15):2583-2597.

meta_analysis2020

Medication Comparisons

Compare medications used to treat Csnk2b Related Neurodevelopmental Disorder Cn381062. 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