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ICD Hub / Diseases of the ear or mastoid process (H60–H95) / AA10 - Seborrhoeic otitis externa
ICD-11

ICD-11 Codes
for AA10 - Seborrhoeic otitis externa
Teodor Jurukovski January 1, 1970
Fact checked by: Teodor Jurukovski
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Alternative Names for Seborrhoeic Otitis Externa

While the official ICD-11 terminology is seborrhoeic otitis externa, identified by the code AA10, this condition may also be referred to by other terms. Common clinical synonyms include seborrhoeic dermatitis of the ear canal or external otitis secondary to seborrhoeic dermatitis. Patient-friendly terms might include scaly or flaky ear canal inflammation.

Understanding Seborrhoeic Otitis Externa (ICD-11 Code AA10)

Seborrhoeic otitis externa, identified by the ICD-11 code AA10, is a specific inflammatory condition affecting the external ear canal. It is closely associated with seborrhoeic dermatitis, a common skin condition that causes flaky, itchy, and inflamed skin. When seborrhoeic dermatitis affects the ear canal, it can lead to seborrhoeic otitis externa. This condition is a form of external otitis, characterised by inflammation of the skin lining the ear canal.

Factors Contributing to Seborrhoeic Otitis Externa

The primary cause of seborrhoeic otitis externa is the extension of seborrhoeic dermatitis into the external auditory canal. This condition is thought to be linked to an overgrowth of a yeast called Malassezia, which is normally present on the skin, and an inflammatory response to it. Risk factors can include underlying seborrhoeic dermatitis affecting other areas of the body, such as the scalp or face, and environmental factors that may exacerbate skin inflammation. Moisture and heat can sometimes worsen the condition.

Recognising the Symptoms of Seborrhoeic Otitis Externa

Individuals experiencing seborrhoeic otitis externa may present with several characteristic symptoms. These often include persistent itching within the ear canal, a feeling of fullness or blockage, and the presence of dry, flaky scales. Redness and mild swelling of the ear canal lining are also common. While typically less severe than infectious otitis externa, discomfort or mild pain can occur. A discharge from the ear may be present, often appearing waxy or scaly rather than purulent.

How Seborrhoeic Otitis Externa is Diagnosed

Diagnosing seborrhoeic otitis externa typically involves a thorough medical history and a physical examination of the ear. A healthcare professional will use an otoscope to visualise the ear canal, looking for signs of inflammation, scaling, and the characteristic flaky, waxy debris associated with seborrhoeic dermatitis. Differentiating it from other forms of otitis externa, such as infectious or allergic types, is crucial for appropriate management. The ICD-11 code for this specific diagnosis is AA10.

Managing Seborrhoeic Otitis Externa

Treatment for seborrhoeic otitis externa focuses on controlling the underlying seborrhoeic dermatitis and reducing inflammation in the ear canal. This often involves the use of topical medications, such as antifungal or mild corticosteroid ear drops, to manage the yeast overgrowth and inflammation. Medicated shampoos or topical agents may also be used on the scalp or surrounding skin if seborrhoeic dermatitis is present there. Keeping the ear canal clean and dry is also an important part of management.

Accurate Coding for Seborrhoeic Otitis Externa

Precise documentation and coding are essential for accurate patient records and billing. The ICD-11 code AA10 should be used to specifically identify seborrhoeic otitis externa. This ensures that healthcare providers can track the condition effectively and that billing processes reflect the precise diagnosis. Using the correct ICD-11 code for seborrhoeic otitis externa supports clear communication within the healthcare system.

Frequently asked questions

What is the ICD-11 classification for Seborrhoeic otitis externa?
Seborrhoeic otitis externa is classified under Inflammatory disorders of the external ear in ICD-11.
What is the ICD-11 code for Seborrhoeic otitis externa?
The ICD-11 code for Seborrhoeic otitis externa is AA10.
How is Seborrhoeic otitis externa categorized within ICD-11?
Seborrhoeic otitis externa is a specific code (AA10) within the broader ICD-11 category for inflammatory disorders of the external ear, distinguishing it from other related conditions.
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