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1q44 Microdeletion Syndrome C4304540

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

A rare chromosomal abnormality affecting chromosome 1. Causes developmental delays, intellectual disability, and brain abnormalities. Management is supportive and symptom-focused.

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

Key facts at a glance

ICD-10
Q89.9
ICD-11
LA00.0
Body system
congenital
Severity
severe
Chronic
true

Medication Comparisons

Compare medications used to treat 1q44 Microdeletion Syndrome C4304540. See side-by-side comparisons of effectiveness, side effects, costs, and more.

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This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.

Medical Disclaimer

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Medically reviewed by WellAlly Editorial Team Last reviewed August 25, 2026. · Read our editorial policy