Final answer:
The appropriate CPT code for an otoplasty on both ears for prominent ears is 69300, and the corresponding ICD-10-CM code is Q17.0. The CPT code covers the surgical correction of prominent ears while the ICD-10-CM code reflects the congenital condition.
Step-by-step explanation:
The appropriate CPT code for an otoplasty procedure performed on both ears is 69300. This code represents an otoplasty for prominent ears, including any necessary harvest of cartilage for grafting if performed. As for the ICD-10-CM code, the diagnosis code that reflects the condition of prominent ears is Q17.0, which denotes congenital absence, atresia, and stricture of the ear canal with mention of the prominent ear or bat ear. It should be noted that coding accuracy is essential, and the actual codes used will depend on the specific details of the medical services provided and any other diagnoses that may be relevant to the patient's condition.