ICD-10 Code H73.899 – Other specified disorders of tympanic membrane, unspecified ear (2026): Diagnosis, Symptoms & Billing Guide
2026 ICD-10-CM Diagnosis Code H73.899 – Other specified disorders of tympanic membrane, unspecified ear
What it is
This code identifies a documented disorder of the tympanic membrane that does not fit a more specific category. Use it when the ear is unspecified and the chart describes another named tympanic membrane abnormality.
Clinical signs
Clinical features vary; refer to documentation. Findings may include an abnormal tympanic membrane appearance on otoscopy, such as scarring, thickening, or other specified change, without a more precise diagnosis.
When to use this code
Use H73.899 when the provider documents a specific tympanic membrane disorder but does not name a better code and does not identify the ear. It is appropriate when the note clearly supports a nontraumatic tympanic membrane condition and no laterality is recorded. Check documentation if the description is vague.
Do not use for
Do not use this code for perforation, acute infection, traumatic injury, or other clearly coded ear conditions. If the documentation specifies the ear or a more exact tympanic membrane disorder, select the more specific code.
Coding tip
Before assigning H73.899, confirm that the record supports “other specified” and that no laterality or more specific diagnosis is available.