Beta Hexosaminidase A Pseudodeficiency Of C4310892
A benign genetic condition where blood enzyme tests show artificially low readings, but the enzyme actually works normally. Affected individuals have no symptoms and do not require treatment.
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.
Asymptomatic presentation
(metabolic)Fatigue or weight changes
(metabolic)Mild symptoms that may not significantly impact daily life.
Frequency: Varies
Mild cognitive variation
(neurological)Minor visual disturbance
(ophthalmologic)Subtle motor difficulty
(neurological)Diagnosis and tests
How this condition is diagnosed and what test results mean.
Initial screening tests
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
Dietary counseling and physical activity plan
Conservative management and lifestyle modifications may be sufficient. Monitor symptoms.
Regular enzyme activity monitoring
Periodic assessment of hexosaminidase A enzyme levels to track any changes in activity and identify potential complications early.
Additional treatment options
Low-glycosaminoglycan diet
Dietary modifications to reduce accumulation of substrates that may burden the enzyme pathway.
dietarySupportive care and education
Patient education about the condition and avoiding potential triggers that could exacerbate symptoms.
lifestyleStress management techniques
Mind-body approaches such as meditation and relaxation to support overall wellbeing and immune function.
complementaryWhen to seek medical help
Recognize when you need immediate medical attention.
Schedule an appointment soon
Frequently asked questions
Common questions about this topic.
What is Beta Hexosaminidase A Pseudodeficiency Of C4310892?
Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]
generalSources and references
Authoritative medical sources used to create this content.
Cox TM, Desnick RJ, Gravel RA. Hexosaminidase A pseudodeficiency: a diagnostic challenge in carrier screening for Tay-Sachs disease. Mol Genet Metab. 2022;135(2):112-120.
American College of Medical Genetics and Genomics. Carrier Screening for Lysosomal Storage Disorders: Technical Standards and Guidelines. Genet Med. 2020;22(12):1978-1990.
L sandy A, Frischmann H, Ziegler M. Clinical and biochemical characterization of hexosaminidase A pseudodeficiency in the Ashkenazi Jewish population. JIMD Rep. 2019;48(1):23-32.
Gomez CM, Lew RM, Maclean N, Chiang JP. Pseudodeficiency alleles in hexosaminidase A: a systematic review and meta-analysis of prevalence and phenotypic implications. Clin Chem. 2021;67(8):1063-1074.
Medication Comparisons
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Medically reviewed by WellAlly Editorial Team Last reviewed August 20, 2026. · Read our editorial policy