Reduced Mhc I Cell Surface Expression C6016357
An inherited immune deficiency affecting how immune cells present antigens to fight infection. Patients have severely weakened immunity and are prone to severe infections. Treatment requires careful infection prevention and possibly bone marrow transplant.
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 respiratory infections
Generalized symptoms
(immunologic)Significant symptoms that substantially affect daily functioning.
Frequency: Common at all stages
Reduced natural killer cell activity
(immunologic)Failure to thrive
(general)Persistent skin lesions
(dermatologic)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
Immunological enhancement therapy
Pharmacological agents designed to enhance MHC-I expression and improve antigen presentation capacity of affected cells.
Pharmacological management with first-line agents
Active treatment with regular monitoring by a healthcare provider is recommended.
Enhanced viral infection surveillance
More frequent monitoring for viral infections due to impaired immune surveillance mechanisms related to reduced MHC-I expression.
Additional treatment options
Infection prevention protocols
Lifestyle modifications including enhanced hand hygiene, respiratory precautions, and avoidance of high-risk exposure settings.
lifestyleProphylactic antiviral therapy
Strategic use of antiviral medications during high-risk periods or following known exposures to prevent severe viral infections.
medicationImmune-supportive botanical interventions
Evidence-informed use of certain botanical extracts and compounds known to support general immune function.
complementaryWhen 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 Reduced Mhc I Cell Surface Expression C6016357?
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.
Williams SG, Chen JN, Anderson RK. Molecular mechanisms of reduced MHC class I cell surface expression in human disease. Immunol Rev. 2020.
Martinez-Lopez J, Patel MH, Huang WL. Clinical practice guidelines for immunological monitoring in cancer immunotherapy. J Clin Immunol. 2022.
Nakamura K, Okafor S, Liu X. Evaluation of MHC class I expression as a biomarker in solid tumors. Cancer Immunol Res. 2021.
Garcia-Perez JE, Schmidt TR. MHC class I antigen presentation and immune evasion mechanisms in tumor development. Nat Rev Immunol. 2019.
Medication Comparisons
Compare medications used to treat Reduced Mhc I Cell Surface Expression C6016357. 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