ICD-10-CM > H60-H95 > H60-H62 > H60 > H60.5 > H60.55 H60.55 Acute reactive otitis externa Non-Billable/Non-Specific Codes H60.551Acute reactive otitis externa, right earH60.552Acute reactive otitis externa, left earH60.553Acute reactive otitis externa, bilateralH60.559Acute reactive otitis externa, unspecified ear