Immunodeficiency 79 C5543220
A rare genetic immunodeficiency causing increased susceptibility to infections. Treatment involves infection prevention and supportive immune therapies.
Key facts at a glance
- ICD-10
- D89.9
- ICD-11
- 3A00.0
- Body system
- immunologic
- Severity
- severe
- Chronic
- true
Signs and symptoms
Common signs and symptoms that may indicate this condition.
Warning signs - seek immediate care
Recurrent bacterial infections
Opportunistic fungal infection (oral candidiasis)
Generalized symptoms
(immunologic)Significant symptoms that substantially affect daily functioning.
Frequency: Common at all stages
Failure to thrive
(immunologic)Autoimmune cytopenias
(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
Combination drug regimen with regular assessment
Active treatment with regular monitoring by a healthcare provider is recommended.
Immunoglobulin Replacement Therapy
Regular intravenous or subcutaneous immunoglobulin replacement to provide passive immunity and prevent recurrent infections in patients with primary immunodeficiency.
Antibiotic Prophylaxis
Long-term prophylactic antibiotics to prevent bacterial infections, typically using trimethoprim-sulfamethoxazole or azithromycin as first-line agents.
Additional treatment options
Infection Surveillance Protocol
Regular monitoring for signs of infection with prompt laboratory evaluation including complete blood counts, inflammatory markers, and cultures when indicated.
monitoringImmunonutritional Support
Enhanced nutritional support with adequate protein, vitamins, and minerals to support immune function and prevent malnutrition-related immunodeficiency exacerbation.
dietaryInfection Prevention Measures
Implementation of rigorous hand hygiene, respiratory precautions, and avoidance of known infectious exposures to reduce infection risk in immunocompromised individuals.
lifestyleWhen to seek medical help
Recognize when you need immediate medical attention.
See a doctor within 24 hours
Moderate to severe symptoms that may indicate worsening of this condition. Prompt medical evaluation is recommended.
Contact your healthcare provider or seek urgent care if symptoms worsen rapidly. Go to the emergency department for life-threatening symptoms.
Frequently asked questions
Common questions about this topic.
What is Immunodeficiency 79 C5543220?
Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]
generalMedication 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