H65.2Non-Billable (Header)Chronic serous otitis mediaChild CodesH65.20Chronic serous otitis media, unspecified earH65.21Chronic serous otitis media, right earH65.22Chronic serous otitis media, left earH65.23Chronic serous otitis media, bilateralCode Hierarchy└H65Nonsuppurative otitis media└H65.2Chronic serous otitis media└H65.2Chronic serous otitis media