2025 ICD-10-CM code T28.91
Corrosion of the eardrum.
Medical necessity is established by the presence of a documented chemical burn to the eardrum requiring medical intervention.
The clinician should document the cause, extent, and location of the corrosion, along with any associated symptoms or complications.
In simple words: Chemical burns to the eardrum.
Corrosion of the tympanic membrane (eardrum) due to chemical exposure.
Example 1: A patient presents with a perforated eardrum after accidentally spilling a corrosive cleaning agent into their ear., A child is brought to the emergency room after inserting a button battery into their ear, resulting in chemical burns to the eardrum., A factory worker experiences corrosion of the eardrum due to exposure to strong acids.
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