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ICD Hub / Diseases of the respiratory system (J00–J99) / CA05.0 - Acute laryngitis
ICD-11

ICD-11 Codes
for CA05.0 - Acute laryngitis
Teodor Jurukovski January 1, 1970
Fact checked by: Teodor Jurukovski
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Understanding the Causes and Risk Factors of Acute Laryngitis

Acute laryngitis, identified by the ICD-11 code CA05.0, is primarily caused by infections, most commonly viral upper respiratory infections. These viruses can lead to inflammation of the larynx and vocal cords. Bacterial infections can also be a cause, sometimes developing as a secondary issue following a viral illness. Non-infectious factors are also significant contributors. These include acute vocal trauma or misuse, such as excessive shouting or prolonged speaking, which can strain the vocal cords. Environmental irritants like smoke, chemical fumes, or allergens can irritate the laryngeal tissues. Gastroesophageal reflux disease (GERD), particularly laryngopharyngeal reflux, is another common cause, where stomach acid irritates the larynx.

Alternative Terms and Synonyms for Acute Laryngitis

When documenting or discussing acute laryngitis (ICD-11 code CA05.0), various terms may be used interchangeably in clinical settings. Common synonyms include 'laryngeal inflammation' and 'larynx inflammation', referring to the swelling and irritation of the voice box. The condition is also frequently referred to as 'laryngitis NOS' (Not Otherwise Specified) when a more specific cause is not identified. Other related terms that may appear in medical records include 'acute oedematous laryngitis', 'acute suppurative laryngitis', and 'acute ulcerative laryngitis', depending on the specific presentation.

Clinical Overview of Acute Laryngitis (ICD-11 Code CA05.0)

Acute laryngitis, classified under ICD-11 code CA05.0, is a condition characterised by the rapid onset of inflammation affecting the laryngeal mucosa, which includes the vocal cords. This inflammation typically results in symptoms such as irritation, oedema (swelling), and a reduced pliability of the laryngeal tissues. While often a self-limiting condition that resolves within a few days to a week, it can cause significant discomfort and voice disturbance. The ICD-11 code CA05.0 is specifically for this acute presentation, distinct from chronic forms of laryngitis.

Diagnosing Acute Laryngitis

The diagnosis of acute laryngitis, corresponding to ICD-11 code CA05.0, is primarily based on a thorough clinical assessment. Healthcare professionals will typically take a detailed patient history, inquiring about the onset and nature of symptoms, recent illnesses, exposure to irritants, and vocal habits. A physical examination, often including a visual inspection of the larynx using a mirror or a flexible laryngoscope, helps confirm the diagnosis by identifying signs of inflammation, redness, and swelling of the vocal cords and surrounding laryngeal structures. Further investigations are usually not required unless symptoms are severe, persistent, or suggest a more serious underlying condition.

Recognising the Symptoms of Acute Laryngitis

Patients experiencing acute laryngitis, the condition coded as ICD-11 CA05.0, commonly present with a range of symptoms affecting the voice and throat. The most prominent symptom is hoarseness, which can manifest as a strained, rough, breathy, or weak voice. A complete loss of voice, known as aphonia, can also occur. Other frequent complaints include a tickling sensation or rawness in the throat, a dry cough, and discomfort or pain, particularly when speaking. Some individuals may also report a feeling of dryness in the throat or general malaise.

Managing Acute Laryngitis

Effective management of acute laryngitis (ICD-11 code CA05.0) focuses on supportive care and addressing the underlying cause. Crucially, voice rest is recommended to allow the inflamed vocal cords to heal; this involves minimising speaking and avoiding whispering. Maintaining adequate hydration by drinking plenty of fluids is important. Patients are advised to avoid irritants such as cigarette smoke and alcohol. For cases related to reflux, dietary modifications and acid-suppressing medications may be prescribed. While antibiotics are generally not indicated for viral causes, they may be considered for confirmed bacterial infections. The ICD-11 code for acute laryngitis guides appropriate clinical documentation for these management strategies.

Frequently asked questions

What is the ICD-11 classification meaning of Acute laryngitis (CA05.0)?
Acute laryngitis (CA05.0) is classified as an acute inflammation of the larynx.
How is Acute laryngitis (CA05.0) positioned within the ICD-11 classification system?
Acute laryngitis (CA05.0) is a specific code within the broader ICD-11 category of Acute laryngitis or tracheitis (CA05).
What is the ICD-11 distinction between Acute laryngitis (CA05.0) and related conditions like Acute tracheitis?
Acute laryngitis (CA05.0) is classified separately from Acute tracheitis (CA05.1) and Acute laryngotracheitis (CA05.2) in ICD-11.
For what specific condition is the ICD-11 code CA05.0 used in documentation?
The ICD-11 code CA05.0 is used for the documentation of Acute laryngitis.
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