ICD-11 Codes
for CA02.1 - Acute viral pharyngitis

Teodor Jurukovski January 1, 1970

Fact checked by: Teodor Jurukovski

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Understanding Acute Viral Pharyngitis

Acute viral pharyngitis, identified by the ICD-11 code CA02.1, refers to an inflammation of the pharynx primarily caused by viral infections. It is a common ailment, often associated with the symptoms of the common cold. While viruses are the predominant cause, bacterial infections can also lead to pharyngitis. This condition typically presents with discomfort and pain in the throat, which can worsen during swallowing. Other accompanying symptoms may include headache, general fatigue, referred pain to the ear, and swollen lymph nodes in the neck.

Recognising the Signs of Viral Sore Throat

Patients experiencing acute viral pharyngitis commonly report a sore throat as their primary symptom. The severity and specific presentation can vary depending on the causative virus. Additional symptoms often include:

• Pain when swallowing
• Redness or inflammation of the tonsils and the back of the throat
• Swollen lymphoid follicles
• Headache
• General malaise or fatigue
• Referred ear pain
• Cervical lymphadenitis (swollen neck glands)

What Causes Acute Viral Pharyngitis?

The primary cause of acute viral pharyngitis is infection by various viruses. These viruses spread through respiratory droplets when an infected person coughs, sneezes, or talks. Common viral culprits include rhinoviruses, adenoviruses, coronaviruses, and influenza viruses. Factors that may increase the risk of contracting viral pharyngitis include close contact with infected individuals, exposure in crowded environments, and weakened immune systems.

Diagnosing Acute Viral Pharyngitis

The diagnosis of acute viral pharyngitis is typically based on a patient's reported symptoms and a physical examination. Healthcare providers will assess the throat for signs of inflammation, redness, and swelling. While viral pharyngitis is often diagnosed clinically, especially during peak cold and flu seasons, diagnostic tests may be performed to rule out bacterial infections. The ICD-11 code for acute viral pharyngitis, CA02.1, is used when a viral etiology is confirmed or strongly suspected.

Managing Viral Sore Throats

Treatment for acute viral pharyngitis focuses on alleviating symptoms, as antibiotics are ineffective against viral infections. Management strategies typically include:

• Rest
• Adequate fluid intake
• Over-the-counter pain relievers (e.g., paracetamol, ibuprofen)
• Saltwater gargles
• Throat lozenges or sprays

Viral pharyngitis usually resolves on its own within a week to ten days.

Coding and Documenting Acute Viral Pharyngitis

Accurate documentation is crucial for correct medical coding. When a patient presents with symptoms suggestive of acute viral pharyngitis, the healthcare provider should document the viral cause. The official ICD-11 code for acute viral pharyngitis is CA02.1. For cases where the viral cause is unspecified, the code CA02.1Z may be used. Proper coding ensures accurate billing and reporting for healthcare services related to this condition.