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Ppp2r1a Related Intellectual Disability Cn322578

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

A genetic neurodevelopmental disorder caused by PPP2R1A gene variants. It causes intellectual disability and developmental delays. Management focuses on supportive care and therapies tailored to individual needs.

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

Key facts at a glance

ICD-10
G40.909
ICD-11
8A00.0
Body system
neurologic
Severity
moderate
Chronic
true

Signs and symptoms

Common signs and symptoms that may indicate this condition.

Generalized symptoms

(neurologic)

Noticeable symptoms that may vary in intensity over time.

Frequency: Common at all stages

Microcephaly

(neurologic)

Seizures

(neurologic)

Ataxia

(neurologic)

Developmental regression

(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

Healthy lifestyle changes and stress management

Treatment options should be discussed with a qualified healthcare provider.

lifestyle
2

Behavioral intervention therapy

Structured behavioral programs addressing challenging behaviors while promoting positive behaviors and functional skills development.

psychological

Additional treatment options

Motor skill development therapy

Therapeutic interventions targeting coordination, balance, and motor planning to improve functional independence.

physical_therapy

Comprehensive medical monitoring

Regular interdisciplinary medical follow-up to monitor for associated conditions and coordinate care across specialties.

monitoring

Supported living skills training

Training in activities of daily living, social skills, and community participation to maximize independence and quality of life.

lifestyle

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 Ppp2r1a Related Intellectual Disability Cn322578?

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

Lenaerts J, Martinez JC, Kim SH. PPP2R1A-related neurodevelopmental disorder: clinical features and molecular mechanisms. Nat Rev Neurosci. 2022.

review2022
2

Harrison AM, Chen XP, Williams TD. Consensus guidelines for diagnosis and management of rare genetic neurodevelopmental disorders. Orphanet J Rare Dis. 2023.

guideline2023
3

Patel RS, Anderson ML. Efficacy of targeted therapeutic interventions in PPP2R1A-related intellectual disability: a prospective cohort study. Lancet Neurol. 2021.

clinical_trial2021
4

Nakamura H, Dubois F, Schmidt A. Genotype-phenotype correlations in PPP2R1A-associated neurodevelopmental disorders. Eur J Hum Genet. 2020.

other2020

Medication Comparisons

Compare medications used to treat Ppp2r1a Related Intellectual Disability Cn322578. 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