ICD-10-CM Billable Code

A42.0

Pulmonary actinomycosis

Clinical Classification Guidelines

Medical Intelligence & Overview

Pulmonary actinomycosis is a rare bacterial infection that affects the lungs. It is caused by the bacteria Actinomyces, which normally live harmlessly in the mouth and throat but can cause infection when they enter the lungs through injuries or other pathways. This condition often mimics other lung diseases, making accurate diagnosis important. Typically, pulmonary actinomycosis develops slowly, and symptoms may be persistent if left untreated. While it can be serious, effective treatment options are available that can help clear the infection.

Causes & Symptoms

Clinical Causes: Aspiration of bacteria-laden material from the mouth or throat into the lungs Damage to lung tissue that allows bacteria to invade Poor oral hygiene or dental infections that spread to the lungs Medical conditions that weaken immune defenses, such as diabetes or immunosuppression Chronic lung diseases or repetitive lung injuries

Key Symptoms: Cough that may produce sputum, sometimes with blood Chest pain, often sharp or stabbing Fever and chills Fatigue and weakness Weight loss over time Shortness of breath or difficulty breathing Night sweats

Diagnostic & Treatment

Diagnosis Path: Diagnosing pulmonary actinomycosis involves a combination of medical history, physical examination, and diagnostic tests. Imaging scans like chest X-rays or CT scans can reveal lung abnormalities that resemble other conditions such as tuberculosis or lung cancer. Confirmatory diagnosis often requires obtaining a sample from the lung, such as via biopsy or sputum analysis, which can then be examined microscopically for characteristic bacteria. Culturing the bacteria can also aid in diagnosis but may take several days due to the slow-growing nature of Actinomyces.

Treatment Protocols: Treatment typically involves prolonged courses of antibiotics, most often high-dose penicillin or other suitable antibiotics, to eradicate the bacteria. In some cases, surgical intervention may be necessary to remove damaged tissue or abscesses. Early diagnosis and consistent treatment are crucial to prevent complications or spread of the infection. Follow-up imaging and laboratory tests help ensure the infection is fully resolved.

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 A42.0 a billable ICD-10 code?
Yes, A42.0 is a specific, billable code that can be used to indicate a diagnosis for reimbursement purposes.

Documentation

How do I report A42.0?
Clinical documentation must specify the nature of Pulmonary actinomycosis and any associated comorbidities for accurate reporting.

Cite this Clinical Reference

Related Diagnosis Codes

Clinical Meta Tags

pulmonary actinomycosis