Other noninfective acute otitis externa, bilateral

This diagnosis code signifies an acute inflammation of the external ear canal in both ears, not caused by an infection. This condition often presents with sudden onset of pain, itching, redness, and swelling of the outer ear structures. It typically results from irritants, allergic reactions, or trauma rather than bacterial or fungal pathogens.

Apply this code when documentation clearly indicates bilateral acute otitis externa that is explicitly stated as noninfective. This includes cases attributed to chemical irritants, contact dermatitis, or other non-microbial causes affecting both ears. Ensure the physician's notes differentiate it from infectious forms.

• Confirm the "noninfective" etiology; if an infectious agent is identified or suspected, a different code is required.
• Verify laterality: this code is specifically for bilateral involvement. Use a unilateral code if only one ear is affected.
• Distinguish from chronic forms; this code is for acute presentations.