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Holoprosencephaly 13 X Linked C5393308

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

A severe genetic form of brain malformation caused by mutations on the X chromosome. It mainly affects males and involves failure of the forebrain to divide properly.

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

Key facts at a glance

ICD-10
Q04.2
ICD-11
LA00.0
Body system
neurologic
Severity
severe
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)

Significant symptoms that substantially affect daily functioning.

Frequency: Common at all stages

Cleft lip/palate

(neurologic)

Pituitary dysfunction

(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

Antiseizure Medication

Seizure control through appropriate antiseizure medications selected based on seizure semiology and EEG patterns, with periodic review and potential adjustments as the clinical course evolves.

medication
2

Medication management with follow-up

Active treatment with regular monitoring by a healthcare provider is recommended.

medication
3

Neurodevelopmental Assessment

Comprehensive and periodic evaluation of developmental milestones, intellectual functioning, and adaptive skills to guide educational interventions and therapeutic support services.

monitoring

Additional treatment options

Endocrine Disorder Management

Surgical or medical management of endocrine abnormalities including pituitary dysfunction, which may require hormone replacement therapy or surgical intervention for specific lesions.

surgical

Behavioral and Psychiatric Support

Assessment and management of behavioral challenges, mood disorders, and psychiatric comorbidities associated with the syndrome, including counseling and appropriate psychopharmacology.

psychological

Family Support Services

Comprehensive family support including genetic counseling, respite care coordination, and connection to support organizations to address the complex needs of affected individuals and caregivers.

complementary

When to seek medical help

Recognize when you need immediate medical attention.

See a doctor within 24 hours

Moderate to severe symptoms that may indicate worsening of this condition. Prompt medical evaluation is recommended.

Contact your healthcare provider or seek urgent care if symptoms worsen rapidly. Go to the emergency department for life-threatening symptoms.

Frequently asked questions

Common questions about this topic.

Q

What is Holoprosencephaly 13 X Linked C5393308?

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 Holoprosencephaly 13 X Linked C5393308. 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