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Prader Willi Syndrome Due To Paternal 15q11q13 Deletion C5681699

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

A genetic disorder from missing paternal genes on chromosome 15. It causes weak muscle tone, insatiable hunger, obesity, and learning difficulties. Treatment involves hormone therapy, diet management, and developmental support.

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
moderate
Chronic
true

Signs and symptoms

Common signs and symptoms that may indicate this condition.

Generalized symptoms

(congenital)

Noticeable symptoms that may vary in intensity over time.

Frequency: Common at all stages

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

Dietary counseling and physical activity plan

Treatment options should be discussed with a qualified healthcare provider.

lifestyle
2

Growth Hormone Therapy

Recombinant human growth hormone treatment to improve linear growth, body composition, and metabolic outcomes in Prader-Willi syndrome patients.

medication
3

Hyperphagia Management Program

Strict calorie-controlled diet with food security measures including locked food storage to prevent excessive weight gain from insatiable appetite.

dietary

Additional treatment options

Physical Activity Program

Structured exercise regimen designed to maintain muscle mass, improve motor skills, and support metabolic health in PWS patients.

physical_therapy

Behavioral Interventions

Cognitive-behavioral therapy addressing anxiety, compulsivity, and food-seeking behaviors common in Prader-Willi syndrome.

psychological

Comprehensive Multidisciplinary Monitoring

Regular surveillance for scoliosis, osteoporosis, obstructive sleep apnea, and metabolic complications through coordinated specialist care.

monitoring

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 Prader Willi Syndrome Due To Paternal 15q11q13 Deletion C5681699?

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

Driscoll DJ, Miller JL, Schwartzman S, et al. Consensus statement on the care of individuals with Prader-Willi Syndrome. J Clin Endocrinol Metab. 2022.

guideline2022View source →
2

Angulo MA, Butler MG, Cataletto ME. Prader-Willi syndrome: a review of clinical, genetic, and endocrine findings. Endocrine. 2021.

review2021View source →
3

McCandless SE, Cassidy SB, Schwartzman H, et al. Efficacy of growth hormone therapy in Prader-Willi syndrome: a multicenter randomized controlled trial. Pediatrics. 2020.

clinical_trial2020View source →
4

Sahoo T, Beaudet AL, Northrup H, et al. Molecular characterization of paternal 15q11-q13 deletions in Prader-Willi syndrome. Mol Genet Genomic Med. 2019.

Medication Comparisons

Compare medications used to treat Prader Willi Syndrome Due To Paternal 15q11q13 Deletion C5681699. 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

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