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H60.1 – Infective Otitis Externa: Causes & Treatment
H60.1 is the ICD-10 code for infective otitis externa, a bacterial inflammation of the external ear canal. Common symptoms include ear pain, itching, and discharge.
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H60.1 is the ICD-10 code for infective otitis externa, a bacterial inflammation of the external ear canal. Common symptoms include ear pain, itching, and discharge.
What is H60.1?
H60.1 is an ICD-10 diagnosis code that refers to infective otitis externa, an inflammation of the external ear canal caused by bacteria or, less commonly, fungi. This condition is often called swimmer's ear, as moisture trapped in the ear canal is a major contributing factor.
Causes
Infective otitis externa is typically triggered by the following factors:
- Bacterial infections: The most common pathogens are Pseudomonas aeruginosa and Staphylococcus aureus.
- Fungal infections (otomycosis): Less common but possible, especially in immunocompromised individuals.
- Moisture: Prolonged wetness in the ear canal alters its natural pH, promoting microbial growth.
- Mechanical trauma: Use of cotton swabs or hearing aids can damage the delicate skin lining the ear canal.
- Underlying conditions: Diabetes mellitus, eczema, and psoriasis increase susceptibility.
Symptoms
Common symptoms of H60.1 include:
- Significant ear pain, often worsened by pressure on the tragus (the small cartilage flap at the ear opening)
- Itching inside the ear canal
- Ear discharge (otorrhea), which may be watery or purulent
- Swelling of the ear canal, potentially causing hearing loss
- Redness and edema of the canal skin
- In severe cases: fever and swollen lymph nodes behind the ear
Diagnosis
The diagnosis of infective otitis externa is typically established through:
- Otoscopy: Direct visualization of the ear canal and eardrum using an otoscope.
- Swab culture: A sample from the ear canal can identify the causative organism and guide antibiotic selection (culture and sensitivity testing).
- Clinical examination: Assessment of pain, discharge, and potential complications.
Treatment
Treatment depends on the severity and the causative pathogen:
- Ear drops: Topical antibiotics (e.g., ciprofloxacin, polymyxin B) with or without corticosteroids to reduce inflammation.
- Ear cleaning: Gentle removal of debris and secretions by a healthcare professional (aural toilet).
- Ear wick: In cases of significant canal swelling, a wick may be placed to allow medication to reach deep into the canal.
- Systemic antibiotics: Required in severe infections, when the infection spreads to surrounding tissue, or in immunocompromised patients.
- Pain relief: Analgesics such as ibuprofen or paracetamol to manage discomfort.
Prevention
The following measures can help prevent infective otitis externa:
- Thoroughly dry the ear canal after swimming or showering (e.g., using a hair dryer on a low setting)
- Avoid inserting cotton swabs or sharp objects into the ear canal
- Use earplugs when swimming in heavily contaminated water
- Regular check-ups for individuals with predisposing conditions such as diabetes or eczema
References
- Rosenfeld RM et al. - Clinical Practice Guideline: Acute Otitis Externa. Otolaryngology – Head and Neck Surgery. 2014;150(1 Suppl):S1-S24.
- World Health Organization (WHO) - ICD-10 Version 2019: H60.1 Infective otitis externa. Available at: https://icd.who.int/browse10/
- Schaefer P, Baugh RF - Acute Otitis Externa: An Update. American Family Physician. 2012;86(11):1055-1061.
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