Madison Monroe is a 3 year old with recurrent ear infections who is brought to the same-day surgery suite for a bilateral tympanostomy with…

Madison Monroe is a 3 year old with recurrent ear infections who is brought to the same-day surgery suite for a bilateral tympanostomy with ventilating tube placement. The surgery went fine, and the postoperative diagnosis is bilateral chronic serous otitis media. what is the correct ICD-10-CM code assignment?