H61.323 is a billable ICD code used to specify a diagnosis of acquired stenosis of external ear canal secondary to inflammation and infection, bilateral. A 'billable code' is detailed enough to be used to specify a medical diagnosis.
This is the official approximate match mapping between ICD9 and ICD10, as provided by the General Equivalency mapping crosswalk. This means that while there is no exact mapping between this ICD10 code H61.323 and a single ICD9 code, 380.53 is an approximate match for comparison and conversion purposes.