ICD-10 Code H60.312 – Diffuse Otitis Externa, Left Ear (2026): Diagnosis, Symptoms & Billing Guide
2026 ICD-10-CM Diagnosis Code H60.312 – Diffuse otitis externa, left ear
What it is
This code identifies diffuse inflammation and infection of the external ear canal in the left ear. Use it when the condition is documented as affecting the left side.
Clinical signs
Typical findings include ear canal redness, swelling, pain, itching, and tenderness with ear movement. Clinical features vary; refer to documentation.
When to use this code
Use H60.312 when the provider documents diffuse otitis externa specifically in the left ear. It fits outpatient, emergency, or follow-up notes when laterality is clear and the condition is not described as another type of otitis externa.
Do not use for
Do not use this code if the documentation does not specify the left ear or if the condition is limited to another ear disorder. Check documentation when the record mentions a different otitis externa type.
Coding tip
Confirm laterality in the assessment or exam note before assigning H60.312.