ICD-10-CM
ICD-10 code for Microtia (congenital) (external ear): Q17.2
The ICD-10-CM index points "Microtia (congenital) (external ear)" to Q17.2, Microtia. Q17.2 is a billable code.
Source: CDC ICD-10-CM FY2027 Alphabetic Index file dated June 16, 2026. Publisher page
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