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Mucopolysaccharidosis Type 6 Slowly Progressing C5679780

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

A rare genetic disorder where cellular waste builds up, causing skeletal problems, coarse features, and organ issues. Enzyme replacement therapy and supportive care help manage symptoms.

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

Key facts at a glance

ICD-10
E88.9
ICD-11
5A00.0
Body system
metabolic
Severity
moderate
Chronic
true

Signs and symptoms

Common signs and symptoms that may indicate this condition.

Warning signs - seek immediate care

!

Valvular heart disease

Corneal clouding

(ophthalmic)

Fatigue or weight changes

(metabolic)

Noticeable symptoms that may vary in intensity over time.

Frequency: Common at all stages

Joint contractures

(musculoskeletal)

Recurrent upper respiratory infections

(respiratory)

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

Enzyme Replacement Therapy

Intravenous administration of recombinant arylsulfatase B enzyme to address the underlying enzyme deficiency, reduce GAG accumulation, and slow disease progression in affected tissues and organs.

medication
2

Exercise prescription and weight management

Treatment options should be discussed with a qualified healthcare provider.

lifestyle
3

Multisystem Disease Surveillance

Regular comprehensive monitoring of cardiac, respiratory, ophthalmologic, auditory, and skeletal manifestations through multidisciplinary specialty assessments to detect progression and guide treatment timing.

monitoring

Additional treatment options

Corrective Orthopedic Interventions

Surgical management of skeletal manifestations including carpal tunnel release, hip reconstruction, and spinal decompression for patients with significant functional impairment or pain unresponsive to conservative measures.

surgical

Mobility and Joint Range of Motion Program

Physical therapy focused on maintaining joint flexibility, preventing contractures, improving endurance, and supporting functional mobility through customized exercise programs and positioning strategies.

physical_therapy

Respiratory Care and Airway Management

Specialized respiratory therapy including airway clearance techniques, sleep apnea management, and pulmonary hygiene to address progressive respiratory compromise from GAG accumulation in the upper airway.

complementary

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 Mucopolysaccharidosis Type 6 Slowly Progressing C5679780?

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

Scarpa M, Orchard PJ, Schulz A, et al. Mucopolysaccharidosis Type VI: Clinical Practice Guidelines for Diagnosis and Management. Orphanet J Rare Dis. 2021.

guideline2021View source →
2

Giugliani R, Harmatz P, Wraith JE. Management guidelines for mucopolysaccharidosis VI. Pediatrics. 2020.

review2020View source →
3

Harman R, Clarke A, Rojek J, et al. Enzyme replacement therapy with galsulfase in pediatric patients with mucopolysaccharidosis type VI: a 5-year follow-up study. Mol Genet Metab. 2018.

clinical_trial2018View source →
4

Muenzer J, Hendriksz CJ, Graham ML. Hematopoietic stem cell transplantation for mucopolysaccharidosis type VI: systematic review. J Inherit Metab Dis. 2019.

review2019View source →

Medication Comparisons

Compare medications used to treat Mucopolysaccharidosis Type 6 Slowly Progressing C5679780. 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