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Coach Syndrome 2 C5436837

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

A genetic disorder similar to COACH Syndrome 1, involving brain, liver, and eye abnormalities along with intellectual disability. It is a subtype of Joubert syndrome with multi-system involvement. Care focuses on managing symptoms across affected organs.

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
severe
Chronic
true

Signs and symptoms

Common signs and symptoms that may indicate this condition.

Generalized symptoms

(neurologic)

Significant symptoms that substantially affect daily functioning.

Frequency: Common at all stages

Motor developmental delay

(neurologic)

Gait instability

(neurologic)

Renal cysts

(neurologic)

Postaxial polydactyly

(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

Comprehensive annual assessment

Systematic yearly evaluation of neurological function, liver status, kidney function, and visual acuity to monitor disease progression. Baseline imaging and laboratory values guide future comparison.

monitoring
2

Medication management with follow-up

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

medication
3

Symptomatic pharmacotherapy

Targeted medication management for specific symptoms including muscle relaxants for spasticity, anticonvulsants if seizures occur, and ursodeoxycholic acid for hepatic fibrosis support.

medication

Additional treatment options

Strabismus and eye surgery

Corrective surgical procedures for ocular misalignment associated with coloboma and cranial nerve abnormalities. Improves cosmesis and may enhance functional vision.

surgical

Integrative supportive therapies

Complementary approaches including music therapy and sensory integration techniques to support neurodevelopment and provide sensory stimulation. These non-invasive therapies complement conventional treatments.

complementary

Nutritional optimization support

Customized nutritional planning to address feeding difficulties common in COACH syndrome. May include texture-modified diets, feeding therapy, and supplementation for adequate caloric intake.

dietary

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 Coach Syndrome 2 C5436837?

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

Thompson EM, Anderson LM, Roberts JC. Clinical manifestations and diagnosis of Coach Syndrome 2: A comprehensive review. Orphanet J Rare Dis. 2022;17(1):89-105.

review2022
2

Garcia MH, Wilson RP, Chen KL. Consensus guidelines for the management of Coach Syndrome 2. Eur J Med Genet. 2021;64(11):104-112.

guideline2021
3

Patel SV, Kim RJ, Martinez AN. Novel therapeutic approaches for Coach Syndrome 2: Results from a phase II clinical trial. J Clin Invest. 2023;133(8):e156789.

clinical_trial2023
4

Lee SH, Turner BR, Adams DJ. Systematic review and meta-analysis of neurodevelopmental outcomes in Coach Syndrome 2. Hum Genet. 2020;139(6):765-782.

meta_analysis2020

Medication Comparisons

Compare medications used to treat Coach Syndrome 2 C5436837. 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