ICD-10-CM
ICD-10 code for Atresia, atretic ear canal: Q16.1
The ICD-10-CM index points "Atresia, atretic ear canal" to Q16.1, Congenital absence, atresia and stricture of auditory canal (external). Q16.1 is a billable code.
Source: CDC ICD-10-CM FY2027 order file dated June 16, 2026. Publisher page
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