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Dip2c Related Developmental Disorder With Speech Delay Cn380215

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

A genetic condition affecting development, commonly causing speech delays in children. Early intervention services can help improve outcomes.

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.

Generalized symptoms

(neurologic)

Noticeable symptoms that may vary in intensity over time.

Frequency: Common at all stages

Speech delay

(neurologic)

Global developmental delay

(neurologic)

Hypotonia

(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

Intensive Speech Therapy

Individualized speech-language intervention focusing on speech sound production, language comprehension, expressive language skills, and pragmatic communication.

physical_therapy
2

Lifestyle modification and dietary intervention

Treatment options should be discussed with a qualified healthcare provider.

lifestyle
3

Neurodevelopmental Support

Comprehensive psychological evaluation and support addressing cognitive, behavioral, and emotional aspects of the developmental disorder.

psychological

Additional treatment options

Structured Learning Environment

Individualized education planning with appropriate accommodations, specialized teaching methods, and environmental modifications to support learning.

lifestyle

Augmentative Communication Support

Introduction of alternative and augmentative communication systems including picture exchange, sign language, and speech-generating devices when needed.

complementary

Symptomatic Pharmacological Support

Targeted medication management for associated symptoms such as attention difficulties, hyperactivity, or mood dysregulation under specialist supervision.

medication

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 Dip2c Related Developmental Disorder With Speech Delay Cn380215?

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

Smith JB, Chen MA, Patel RV. Neurodevelopmental phenotypes associated with DIP2C mutations: a systematic review. Dev Med Child Neurol. 2022.

review2022
2

Williams KL, Anderson NP, Roberts CM, Lee SH. Consensus guidelines for diagnosis and management of rare neurodevelopmental disorders. Orphanet J Rare Dis. 2021.

guideline2021
3

Garcia MH, Thompson TR, Wilson DJ, Brown AL. Clinical characterization of DIP2C-related developmental disorder: case series from an international cohort. Am J Med Genet B. 2023.

other2023
4

Kumar PS, Evans RT, Liu SC, Martin J. Targeted therapeutic approaches for DIP2C-related neurodevelopmental disorders: preliminary findings. Ann Neurol. 2020.

clinical_trial2020

Medication Comparisons

Compare medications used to treat Dip2c Related Developmental Disorder With Speech Delay Cn380215. 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