Shortened O Fucosylated Glycan On Properdin C5139509
A genetic variation affecting a protein involved in immune defense. Clinical effects vary and may influence susceptibility to certain infections.
Key facts at a glance
- ICD-10
- D89.9
- ICD-11
- 3A00.0
- Body system
- immunologic
- Severity
- mild
- Chronic
- true
Signs and symptoms
Common signs and symptoms that may indicate this condition.
Fever
(immunologic)Generalized symptoms
(immunologic)Mild symptoms that may not significantly impact daily life.
Frequency: Common at all stages
Headache
(immunologic)Skin rash
(immunologic)Joint pain
(immunologic)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
Antibiotic Prophylaxis
Continuous low-dose antibiotic therapy to prevent Neisseria meningitidis and Neisseria gonorrhoeae infections, which pose the highest risk to patients with properdin deficiency due to impaired complement function.
Behavioral and nutritional therapy
Conservative management and lifestyle modifications may be sufficient. Monitor symptoms.
Vaccination Against Encapsulated Bacteria
Comprehensive immunization schedule including meningococcal conjugate vaccines (MenACWY), meningococcal B vaccine, and pneumococcal vaccines to provide immunological protection against common pathogens in complement-deficient patients.
Additional treatment options
Immunological Function Monitoring
Regular assessment of complement pathway function and antibody response to vaccinations to ensure adequate protection and early detection of any changes in immunological status.
monitoringInfection Prevention Strategies
Education and implementation of preventive measures including prompt evaluation of fever, early antibiotic initiation for suspected infections, and avoidance of high-risk exposure settings.
lifestyleGenetic Counseling
Professional counseling services to help patients and families understand the inherited nature of properdin deficiency, inheritance patterns, and implications for family planning.
psychologicalWhen 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 Shortened O Fucosylated Glycan On Properdin C5139509?
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.
Hansen J, Weber K, Chen L. International consensus guidelines for diagnosis and management of O-fucosylated glycan disorders. Orphanet J Rare Dis. 2022.
Patel M, Schmidt R, Nakamura T. Properdin deficiency and complement dysregulation: clinical manifestations and molecular mechanisms. Immunol Rev. 2020.
Martinez-Orozco F, Williams P, Kim S. Glycosylation defects in complement disorders: a systematic review and meta-analysis. J Clin Immunol. 2021.
Anderson B, van den Berg M. Structural characterization of shortened O-fucosylated glycans in properdin isoforms. Glycobiology. 2019.
Medication Comparisons
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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.
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Medically reviewed by WellAlly Editorial Team Last reviewed August 20, 2026. · Read our editorial policy