Mhc Class I Deficiency 2 C5935617
A form of primary immune deficiency causing abnormal immune cell recognition, leading to severe vulnerability to viral infections. Management involves 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 mucocutaneous herpesvirus infection
Granulomatous skin lesions
Generalized symptoms
(immunologic)Significant symptoms that substantially affect daily functioning.
Frequency: Common at all stages
Recurrent upper respiratory tract infections
(immunologic)Chronic sinusitis
(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 recurrent bacterial infections common in MHC class I deficiency. Selection depends on individual infection history and pathogen susceptibility patterns.
Targeted drug therapy with dose adjustment
Active treatment with regular monitoring by a healthcare provider is recommended.
IVIG Replacement Therapy
Intravenous immunoglobulin supplementation to provide passive humoral immunity, particularly important for patients with impaired T-cell function affecting B-cell cooperation.
Additional treatment options
Infection Prevention Practices
Rigorous hand hygiene, respiratory precautions, and avoidance of crowds during peak infection seasons to minimize exposure to opportunistic pathogens.
lifestyleRegular Immunological Assessment
Scheduled monitoring of lymphocyte subsets, immunoglobulin levels, and infection frequency to guide treatment adjustments and anticipate complications.
monitoringAntiviral Prophylaxis
Targeted antiviral medications when indicated by recurrent herpesvirus family infections, which are particularly common in MHC class I deficiency.
medicationWhen 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 Mhc Class I Deficiency 2 C5935617?
Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]
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Compare medications used to treat Mhc Class I Deficiency 2 C5935617. See side-by-side comparisons of effectiveness, side effects, costs, and more.
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