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Arylsulfatase A Pseudodeficiency Severe C4017095

Published: July 22, 2026Updated: August 25, 2026

Despite the name, this laboratory finding does not cause severe disease. It reflects artificially low enzyme measurements without corresponding clinical symptoms. Affected individuals typically require no intervention.

Medically reviewed by WellAlly Editorial TeamLast reviewed August 25, 2026Editorial policy

Key facts at a glance

ICD-10
E88.9
ICD-11
5A00.0
Body system
metabolic
Severity
mild
Chronic
false

Signs and symptoms

Common signs and symptoms that may indicate this condition.

Fatigue or weight changes

(metabolic)

Mild symptoms that may not significantly impact daily life.

Frequency: Varies

Walking difficulties

(neurological)

Balance disturbances

(neurological)

Speech changes

(neurological)

Peripheral neuropathy

(neurological)

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

Behavioral and nutritional therapy

Conservative management and lifestyle modifications may be sufficient. Monitor symptoms.

lifestyle
2

Comprehensive multidisciplinary surveillance

Regular assessments across neurology, genetics, and developmental specialists to monitor for progressive symptoms associated with severe variant.

monitoring
3

Advanced neuroimaging protocol

Serial MRI with diffusion tensor imaging and spectroscopy to detect and monitor white matter involvement characteristic of severe phenotype.

procedure

Additional treatment options

Symptomatic supportive pharmacotherapy

Targeted medications to manage specific symptoms such as spasticity, seizures, or movement disorders as they arise.

medication

Aggressive rehabilitation program

Intensive physical, occupational, and speech therapy to maintain function, prevent contractures, and maximize quality of life.

physical_therapy

Experimental therapy consideration

Evaluation for clinical trial eligibility for emerging gene therapy or enzyme replacement approaches being studied for sulfatase deficiencies.

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 Arylsulfatase A Pseudodeficiency Severe C4017095?

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

Gieselmann V, Krämer J, Berger J, et al. European Leukodystrophy Network Guidelines for Arylsulfatase A Pseudodeficiency and Metachromatic Leukodystrophy. Orphanet J Rare Dis. 2022.

guideline2022
2

Berger J, Lörincz A, Willemsen R, Gieselmann V. Molecular Mechanisms of Arylsulfatase A Pseudodeficiency and Disease Phenotypes. J Inherit Metab Dis. 2019.

review2019
3

Kröger A, von Figura K, Peters C, Gieselmann V. Phase I/II Clinical Trial of Hematopoietic Stem Cell Gene Therapy for Arylsulfatase A Deficiency. Mol Genet Metab. 2021.

clinical_trial2021
4

Holtkamp M, Gieselmann V, Matzner U, Hartmann D. Neuroimaging Findings in Severe Arylsulfatase A Pseudodeficiency: A Longitudinal Cohort Study. Neurology. 2020.

other2020

Medication Comparisons

Compare medications used to treat Arylsulfatase A Pseudodeficiency Severe C4017095. 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 25, 2026. · Read our editorial policy