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Chromosome 1q Deletion C5679674

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

A genetic condition from missing genetic material on chromosome 1q, causing developmental delays, intellectual disability, and various medical concerns. Treatment is supportive and individualized.

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

Key facts at a glance

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

Signs and symptoms

Common signs and symptoms that may indicate this condition.

Warning signs - seek immediate care

!

Congenital heart defect

!

Seizure disorder

Developmental delay

(neurological)

Generalized symptoms

(congenital)

Significant symptoms that substantially affect daily functioning.

Frequency: Common at all stages

Limb abnormalities

(musculoskeletal)

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

Drug therapy and clinical monitoring

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

medication
2

Multisystem Surveillance Program

Comprehensive monitoring of cardiac, renal, and skeletal systems through regular echocardiograms, renal ultrasounds, and orthopedic evaluations. Frequency depends on identified anomalies and patient age.

monitoring
3

Congenital Anomaly Correction

Surgical intervention may be necessary for structural abnormalities such as cardiac defects, cleft palate, or skeletal malformations. Timing depends on severity and overall health status.

surgical

Additional treatment options

Developmental Rehabilitation

Early intervention physical therapy addresses motor delays, muscle hypotonia, and joint laxity. Programs include strength training, balance exercises, and functional movement practice.

physical_therapy

Neurodevelopmental Support Services

Psychological services including IQ assessment, learning disability identification, and educational planning help maximize academic potential and address behavioral concerns.

psychological

Adaptive Lifestyle Modification

Environmental adaptations, assistive devices, and activity modifications support independence and safety. Home modifications and adaptive equipment may be recommended based on functional abilities.

lifestyle

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 Chromosome 1q Deletion C5679674?

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

Manning M, Hudgins L, Dhar SU. Practice guidelines for genetic evaluation of chromosome 1q deletions. Genet Med. 2021.

guideline2021
2

Brunetti-Pierri N, Sagi S, Bacino CA. 1q21.1 deletion syndrome: clinical and molecular characterization. Orphanet J Rare Dis. 2020.

review2020
3

Kearney HM, Thorland EC, Brown KK. Chromosomal microarray analysis for developmental delay: a prospective study. J Mol Diagn. 2022.

clinical_trial2022
4

Shaw-Smith C, Pittman A, Willatt L. Neurodevelopmental outcomes in chromosomal 1q deletions: systematic review and meta-analysis. Clin Genet. 2023.

meta_analysis2023

Medication Comparisons

Compare medications used to treat Chromosome 1q Deletion C5679674. 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