D81.6
Major histocompatibility complex class I deficiency
Clinical Classification Guidelines
Inclusion Terms
- Bare lymphocyte syndrome
Medical Intelligence & Overview
Major Histocompatibility Complex Class I Deficiency, also known as Bare Lymphocyte Syndrome Type I, is a rare immune disorder where the body has trouble producing a specific group of molecules called MHC class I. These molecules are essential for the immune system to recognize and fight off infected or cancerous cells. This condition can lead to increased susceptibility to infections and other immune-related issues, affecting individuals from an early age. Proper understanding of this disorder is vital for managing its effects and seeking appropriate medical intervention.
Causes & Symptoms
Clinical Causes: Genetic mutations affecting the genes responsible for producing MHC class I molecules Inheritance patterns, often autosomal recessive, meaning both parents carry faulty genes Defects in the antigen-presenting pathway, impairing the immune system's ability to recognize infected cells
Key Symptoms: Recurrent respiratory infections Chronic lung disease Frequent sinus infections Persistent skin infections Poor growth and development in children Delayed wound healing Unusual susceptibility to viruses and certain bacteria
Diagnostic & Treatment
Diagnosis Path: Diagnosis typically involves a combination of clinical evaluation and specialized laboratory tests, including:
Treatment Protocols: While there is no cure for MHC class I deficiency, treatment aims to manage symptoms and reduce infection risk through:
Clinical Advice & FAQs
Billing Guidance
Is D81.6 a billable ICD-10 code?
Yes, D81.6 is a specific, billable code that can be used to indicate a diagnosis for reimbursement purposes.
Documentation
How do I report D81.6?
Clinical documentation must specify the nature of Major histocompatibility complex class I deficiency and any associated comorbidities for accurate reporting.
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