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H60.9 – Otitis Externa: Causes & Treatment
H60.9 is the ICD-10 code for otitis externa, unspecified – an inflammation of the outer ear canal causing pain, itching, and discharge.
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H60.9 is the ICD-10 code for otitis externa, unspecified – an inflammation of the outer ear canal causing pain, itching, and discharge.
What is H60.9?
The ICD-10 code H60.9 stands for otitis externa, unspecified (also referred to as otitis externa NOS – Not Otherwise Specified). This code describes an inflammation of the external auditory canal without a more precise specification of the underlying cause or type. Otitis externa is a common condition affecting people of all ages, but it is especially prevalent among swimmers and individuals living in warm, humid climates.
Causes
Otitis externa can be triggered by various factors:
- Bacterial infections: Most commonly caused by Pseudomonas aeruginosa or Staphylococcus aureus.
- Fungal infections (otomycosis): Caused by species such as Aspergillus or Candida.
- Moisture in the ear canal: Frequent swimming or excessive sweating can break down the protective barrier of the ear canal skin.
- Mechanical irritation: Use of cotton swabs or hearing aids can damage the delicate skin lining the canal.
- Allergic reactions: To shampoos, cosmetics, or earrings.
- Skin conditions: Such as eczema or psoriasis.
Symptoms
Typical signs and symptoms of otitis externa include:
- Ear pain that may worsen when touching the outer ear or chewing
- Itching inside the ear canal
- Redness and swelling of the ear canal
- Discharge from the ear (otorrhea)
- Feeling of fullness or reduced hearing
- In severe cases: fever and swollen lymph nodes
Diagnosis
The diagnosis of otitis externa is usually made through a clinical examination. A healthcare provider inspects the ear canal using an otoscope. The typical findings include redness, swelling of the canal walls, and possibly discharge. In cases that do not respond to standard treatment, a swab for microbiological analysis may be taken to identify the specific causative organism.
Treatment
Treatment depends on the underlying cause and severity of the condition:
- Antibiotic and/or corticosteroid ear drops: This is the most common treatment for bacterial otitis externa, addressing both infection and inflammation.
- Antifungal ear drops: Used when a fungal infection is identified or suspected.
- Ear canal cleaning: A healthcare provider may gently remove debris or secretions from the canal.
- Pain relief: Over-the-counter analgesics such as ibuprofen or paracetamol can help manage discomfort.
- Avoidance of triggers: Refraining from swimming during treatment and avoiding the use of cotton swabs.
When to See a Doctor
Medical attention should be sought if ear pain is severe or persistent, if fever develops, if hearing is significantly reduced, or if symptoms do not improve within a few days. People with diabetes or weakened immune systems are at particular risk of developing a serious complication known as malignant (necrotizing) otitis externa, which requires urgent medical evaluation and treatment.
References
- Rosenfeld RM et al. – Clinical Practice Guideline: Acute Otitis Externa. Otolaryngology – Head and Neck Surgery, 2014. DOI: 10.1177/0194599813517083.
- Wiegand S et al. – Otitis externa. Deutsches Ärzteblatt International, 2019. DOI: 10.3238/arztebl.2019.0224.
- World Health Organization (WHO) – ICD-10 International Statistical Classification of Diseases and Related Health Problems, 10th Revision, Volume 1. Geneva: WHO Press.
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