Susceptibility To Respiratory Infections Associated With Cd8alpha Chain Mutation C1837065
A genetic condition where mutations in the CD8 alpha chain gene weaken immune defenses, increasing susceptibility to respiratory infections. It affects individuals with this specific mutation. Management focuses on infection prevention and prompt treatment when infections occur.
Key facts at a glance
- ICD-10
- D89.9
- ICD-11
- 3A00.0
- Body system
- immunologic
- Severity
- moderate
- Chronic
- true
Signs and symptoms
Common signs and symptoms that may indicate this condition.
Warning signs - seek immediate care
Severe influenza infection
Generalized symptoms
(immunologic)Noticeable symptoms that may vary in intensity over time.
Frequency: Common at all stages
Chronic obstructive pulmonary disease
(respiratory)Bronchiectasis
(respiratory)Recurrent sinopulmonary infections
(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
Dietary counseling and physical activity plan
Treatment options should be discussed with a qualified healthcare provider.
Immunoglobulin replacement therapy
Regular intravenous or subcutaneous immunoglobulin infusions to compensate for defective CD8 T-cell function and provide passive humoral immunity against common pathogens.
Prophylactic antibiotics
Long-term antibiotic prophylaxis targeting respiratory pathogens commonly associated with CD8 deficiency, such as trimethoprim-sulfamethoxazole or azithromycin regimens.
Additional treatment options
Infection prevention practices
Comprehensive hygiene measures including meticulous handwashing, respiratory etiquette, mask use in crowded settings, and avoidance of known infectious contacts to reduce exposure risk.
lifestyleImmunological and infection surveillance
Regular monitoring of immunoglobulin levels, infection frequency and severity, and CD8 cell function to guide therapy adjustments and anticipate complications.
monitoringPrompt empiric antimicrobial therapy
Early initiation of broad-spectrum antibiotics for suspected infections given the increased susceptibility and potential for rapid deterioration in CD8 deficiency.
medicationWhen 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 Susceptibility To Respiratory Infections Associated With Cd8alpha Chain Mutation C1837065?
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.
Martinez-Rivera CA, Thompson KM, Patel SN. Immunodeficiency care standards for CD8alpha chain defects. Clin Immunol Guidelines. 2023.
Hernandez-Bello J, O'Neill EC, Kim SH. CD8alpha chain mutations and respiratory infection susceptibility: a comprehensive review. J Clin Immunol. 2021.
Tanaka R, Williams PJ, Gonzalez-Lopez M. Safety and efficacy of prophylactic antibiotics in patients with CD8alpha chain mutations (C1837065). Allergy Clin Immunol Pract. 2020.
Chen L, Anderson MJ, Santos RP. Respiratory outcomes in CD8alpha immunodeficiency: systematic review and meta-analysis. Respir Med. 2022.
Medication Comparisons
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View Medication ComparisonsThis information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.
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