ICD-10-CM > H60-H95 > H95-H95 > H95 > H95.1 > H95.11 H95.11 Chronic inflammation of postmastoidectomy cavity Non-Billable/Non-Specific Codes H95.111Chronic inflammation of postmastoidectomy cavity, right earH95.112Chronic inflammation of postmastoidectomy cavity, left earH95.113Chronic inflammation of postmastoidectomy cavity, bilateral earsH95.119Chronic inflammation of postmastoidectomy cavity, unspecified ear