ICD-10-CM Billable Code

A02.21

Salmonella meningitis

Clinical Classification Guidelines

Medical Intelligence & Overview

Salmonella meningitis is a rare but serious infection affecting the membranes surrounding the brain and spinal cord. It occurs when the Salmonella bacteria invade the central nervous system, leading to inflammation. Although more common in children, it can affect individuals of all ages and requires prompt medical attention to prevent complications. Understanding this condition can help patients and caregivers recognize symptoms early and seek appropriate care.

Causes & Symptoms

Clinical Causes: Infection by Salmonella bacteria, often contracted through contaminated food or water Spread from a primary Salmonella infection elsewhere in the body, such as the intestines Weakened immune system, which makes it easier for bacteria to invade the nervous system Exposure to environments with poor sanitation or contaminated sources

Key Symptoms: High fever and chills Severe headache Neck stiffness Nausea and vomiting Sensitivity to light Altered mental state or confusion Seizures in some cases Irritability or drowsiness, especially in children

Diagnostic & Treatment

Diagnosis Path: Diagnosis generally involves a combination of clinical evaluation and laboratory testing. A healthcare provider will take a detailed medical history and perform a physical exam focusing on neurological signs. Confirmatory testing may include a lumbar puncture (spinal tap) to analyze cerebrospinal fluid, which can reveal elevated white blood cells, bacteria, and increased protein levels characteristic of bacterial meningitis. Blood tests and blood cultures may also identify Salmonella bacteria, aiding in diagnosis.

Treatment Protocols: Treatment for Salmonella meningitis typically requires hospitalization. The main approach involves the administration of intravenous antibiotics specifically targeting Salmonella bacteria. Supportive care measures such as fluids, medications to reduce fever, and management of other symptoms are also important. In some cases, corticosteroids may be used to reduce inflammation. Early diagnosis and prompt treatment are vital to decreasing the risk of long-term neurological damage or other serious complications.

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 A02.21 a billable ICD-10 code?
Yes, A02.21 is a specific, billable code that can be used to indicate a diagnosis for reimbursement purposes.

Documentation

How do I report A02.21?
Clinical documentation must specify the nature of Salmonella meningitis and any associated comorbidities for accurate reporting.

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