D71.8
Other functional disorders of polymorphonuclear neutrophils
Clinical Classification Guidelines
Inclusion Terms
- Cell membrane receptor complex [CR3] defect
- Chronic (childhood) granulomatous disease
- Congenital dysphagocytosis
- Progressive septic granulomatosis
Medical Intelligence & Overview
ICD-10 Code D71.8 refers to various rare disorders involving polymorphonuclear neutrophils, a type of white blood cell vital for fighting infections. These disorders, collectively categorized as other functional disorders, include conditions like cell membrane receptor complex defects, chronic granulomatous disease, congenital dysphagocytosis, and progressive septic granulomatosis. Such conditions can impair the immune system's ability to combat bacteria and fungi effectively, leading to recurrent infections and other health challenges. This article aims to provide a comprehensive, patient-friendly overview of these disorders, their causes, symptoms, diagnosis, and general management strategies.
Causes & Symptoms
Clinical Causes: Genetic mutations affecting neutrophil function Defects in cell membrane receptor complexes, such as CR3 Inherited conditions like chronic granulomatous disease Congenital issues impairing neutrophil activation or migration Progressive deterioration of immune cell functions leading to increased infection risk
Key Symptoms: Frequent or severe bacterial and fungal infections Persistent infections that are difficult to resolve Formation of granulomas—clusters of immune cells that wall off infections Recurrent skin infections, abscesses, or pneumonia Delayed wound healing Weakness, fatigue, and general illness during episodes of infection
Diagnostic & Treatment
Diagnosis Path: Healthcare professionals typically diagnose these neutrophil disorders through a combination of clinical history, laboratory tests, and genetic studies. Common diagnostic steps include: - Blood tests to evaluate neutrophil counts and function - Nitroblue tetrazolium test or dihydrorhodamine test to assess neutrophil respiratory burst activity - Genetic testing to identify specific mutations impacting immune cell functions - Bone marrow examination in some cases to analyze immune cell development These assessments help confirm the presence of a functional disorder affecting neutrophils and differentiate among various subtypes.
Treatment Protocols: Management primarily focuses on preventing and controlling infections, as these disorders compromise the immune response. Typical approaches may include: - Prophylactic antibiotics or antifungal medications to reduce infection risk - Interferon gamma therapy in certain cases to enhance immune function - Regular monitoring and prompt treatment of infections - Supportive care, such as wound care and nutritional support - In some cases, stem cell transplantation might be considered for severe forms As each condition varies individually, treatment plans are personalized, often developed by a team of specialists.
Clinical Advice & FAQs
Billing Guidance
Is D71.8 a billable ICD-10 code?
Yes, D71.8 is a specific, billable code that can be used to indicate a diagnosis for reimbursement purposes.
Documentation
How do I report D71.8?
Clinical documentation must specify the nature of Other functional disorders of polymorphonuclear neutrophils and any associated comorbidities for accurate reporting.
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