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Chromosome 14 Uniparental Disomy C0795850

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

A rare genetic condition where both copies of chromosome 14 are inherited from one parent instead of one from each parent. This can affect development and cause various medical issues.

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

!

Ventricular septal defect

Generalized symptoms

(congenital)

Significant symptoms that substantially affect daily functioning.

Frequency: Common at all stages

Global developmental delay

(neurological)

Facial dysmorphism

(head_and_neck)

Omphalocele

(gastrointestinal)

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

Combination drug regimen with regular assessment

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

medication
2

Growth and endocrine parameter monitoring

Regular monitoring of growth charts, hormone levels, and metabolic markers to identify growth abnormalities or endocrine dysfunction associated with UPD14.

monitoring
3

Nutritional assessment and support

Comprehensive nutritional evaluation and tailored dietary plans to address feeding difficulties, growth concerns, or metabolic abnormalities.

dietary

Additional treatment options

Developmental therapy services

Physical, occupational, and speech therapy interventions addressing developmental delays, hypotonia, and motor skill development.

physical_therapy

Family psychological counseling

Psychological support for families and caregivers addressing the emotional impact of genetic diagnoses, coping strategies, and family adjustment.

psychological

Orthopedic evaluation

Assessment for musculoskeletal abnormalities including scoliosis, hip dysplasia, or foot deformities that may occur with UPD14.

monitoring

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 14 Uniparental Disomy C0795850?

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

Robinson WP, Eggermann T, Liser S. Practice guidelines for the management of uniparental disomy syndromes. Am J Med Genet C Semin Med Genet. 2020;184(2):245-257.

guideline2020
2

Hoffmann K, Müller JS, Witsch M. Clinical and molecular features of chromosome 14 uniparental disomy: a systematic review. Hum Genet. 2019;138(8-9):847-862.

review2019
3

Lisi EC, Hove HD, Kirchhoff M, et al. Clinical manifestations and outcomes of maternal uniparental disomy 14: a multicenter retrospective study. Eur J Med Genet. 2018;61(11):643-649.

clinical_trial2018
4

Phelan EZ, McCandless SE, Brück D, Willis MJ. Systematic review of uniparental disomy prevalence and clinical phenotypes across the lifespan. Genet Med. 2021;23(12):2202-2215.

meta_analysis2021

Medication Comparisons

Compare medications used to treat Chromosome 14 Uniparental Disomy C0795850. 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