Immunodeficiency 86 C5561995
A rare inherited disorder affecting immune function, leading to increased susceptibility to infections. Treatment focuses on preventing and treating infections.
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
Severe opportunistic infections (e.g., PCP)
Generalized symptoms
(immunologic)Significant symptoms that substantially affect daily functioning.
Frequency: Common at all stages
Failure to thrive in infancy
(immunologic)Chronic diarrhea with malabsorption
(immunologic)Persistent oral thrush
(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
Drug therapy and clinical monitoring
Active treatment with regular monitoring by a healthcare provider is recommended.
Immunoglobulin Replacement Therapy
Standard immunoglobulin replacement therapy to provide necessary antibody coverage against common pathogens. This forms the cornerstone of management for this severe immunodeficiency requiring consistent adherence to infusion schedules.
Targeted Antimicrobial Prophylaxis
Specific antimicrobial prophylaxis based on documented infections or identified susceptibility patterns. May include combinations of antibacterial, antiviral, antifungal, and antiparasitic prophylaxis depending on individual risk assessment.
Additional treatment options
Infection Risk Avoidance
Comprehensive lifestyle modifications to minimize exposure to infectious agents including travel restrictions to endemic areas, food safety practices, and avoidance of high-risk recreational activities or occupations.
lifestyleSupportive Immune Nutrition
Adjunctive nutritional support including zinc, selenium, and other micronutrients that may support immune function. Used alongside conventional therapy to optimize overall immune status and patient wellness.
complementaryComprehensive Disease Monitoring Program
Regular multidisciplinary monitoring including immunological laboratory studies, infection surveillance, growth and development assessments in children, and screening for complications of immunodeficiency such as organ damage or malignancy risk.
monitoringWhen 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 86 C5561995?
Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]
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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.
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