ICD-10-CM Billable Code

B27.81

Other infectious mononucleosis with polyneuropathy

Clinical Classification Guidelines

Medical Intelligence & Overview

Infectious mononucleosis, often called 'mono' or the 'kissing disease', is a contagious illness usually caused by the Epstein-Barr virus (EBV). When combined with polyneuropathy, a condition affecting multiple peripheral nerves, it can lead to a complex health situation. The ICD-10 code B27.81 specifically refers to cases where infectious mononucleosis is accompanied by polyneuropathy, highlighting the need for comprehensive understanding and management of this condition.

Causes & Symptoms

Clinical Causes: Primary cause: Epstein-Barr virus (EBV), which spreads through saliva and close contact. Secondary factors: immune system responses that may trigger nerve damage. Additional infections or medical conditions that can complicate the disease course. Genetic predispositions that might influence the severity or likelihood of nerve involvement.

Key Symptoms: Fatigue and general weakness often seen in infectious mononucleosis. Fever, sore throat, and swollen lymph nodes as common initial signs. Nerve-related symptoms including numbness, tingling sensations, or weakness in the limbs. Muscle cramps or pain due to nerve involvement. Potential difficulty in coordination or walking, depending on the extent of polyneuropathy. Additional symptoms such as dizziness or sensory changes if nerve pathways are affected.

Diagnostic & Treatment

Diagnosis Path: Diagnosing infectious mononucleosis with polyneuropathy involves a combination of clinical assessment and laboratory tests. Blood tests are used to detect atypical lymphocytes, presence of EBV antibodies, and other markers indicating the infection. Nerve conduction studies and electromyography (EMG) help evaluate nerve function and confirm polyneuropathy. A detailed patient history and physical examination are crucial for identifying neurological symptoms associated with the infection.

Treatment Protocols: Managing this condition requires a multidisciplinary approach. Treatment strategies focus on alleviating symptoms and supporting nerve recovery, which may include:

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.

Clinical Advice & FAQs

Billing Guidance

Is B27.81 a billable ICD-10 code?
Yes, B27.81 is a specific, billable code that can be used to indicate a diagnosis for reimbursement purposes.

Documentation

How do I report B27.81?
Clinical documentation must specify the nature of Other infectious mononucleosis with polyneuropathy and any associated comorbidities for accurate reporting.

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polyneuropathy infectious mononucleosis