| H6507 | Acute serous otitis media, recurrent, unspecified ear |
| H651 | Other acute nonsuppurative otitis media |
| H6511 | Acute and subacute allergic otitis media (mucoid) (sanguinous) (serous) |
| H65111 | Acute and subacute allergic otitis media (mucoid) (sanguinous) (serous), right ear |
| H65112 | Acute and subacute allergic otitis media (mucoid) (sanguinous) (serous), left ear |
| H65113 | Acute and subacute allergic otitis media (mucoid) (sanguinous) (serous), bilateral |
| H65114 | Acute and subacute allergic otitis media (mucoid) (sanguinous) (serous), recurrent, right ear |
| H65115 | Acute and subacute allergic otitis media (mucoid) (sanguinous) (serous), recurrent, left ear |
| H65116 | Acute and subacute allergic otitis media (serous), recur, bi Acute and subacute allergic otitis media (mucoid) (sanguinous) (serous), recurrent, bilateral |
| H65117 | Acute and subacute allergic otitis media (mucoid) (sanguinous) (serous), recurrent, unspecified ear |
| H65119 | Acute and subacute allergic otitis media (mucoid) (sanguinous) (serous), unspecified ear |
| H6519 | Other acute nonsuppurative otitis media |
| H65191 | Other acute nonsuppurative otitis media, right ear |
| H65192 | Other acute nonsuppurative otitis media, left ear |
| H65193 | Other acute nonsuppurative otitis media, bilateral |
| H65194 | Other acute nonsuppurative otitis media, recurrent, right ear |
| H65195 | Other acute nonsuppurative otitis media, recurrent, left ear Other acute nonsuppurative otitis media, recurrent, left ear |
| H65196 | Other acute nonsuppurative otitis media, recurrent, bilateral |
| H65197 | Other acute nonsuppurative otitis media recurrent, unspecified ear |
| H65199 | Other acute nonsuppurative otitis media, unspecified ear |
| H652 | Chronic serous otitis media |
| H6520 | Chronic serous otitis media, unspecified ear |
| H6521 | Chronic serous otitis media, right ear |
| H6522 | Chronic serous otitis media, left ear |
| H6523 | Chronic serous otitis media, bilateral |
| H653 | Chronic mucoid otitis media |
| H6530 | Chronic mucoid otitis media, unspecified ear |
| H6531 | Chronic mucoid otitis media, right ear |
| H6532 | Chronic mucoid otitis media, left ear |
| H6533 | Chronic mucoid otitis media, bilateral |
| H654 | Other chronic nonsuppurative otitis media |
| H6541 | Chronic allergic otitis media |
| H65411 | Chronic allergic otitis media, right ear |
| H65412 | Chronic allergic otitis media, left ear |
| H65413 | Chronic allergic otitis media, bilateral |
| H65419 | Chronic allergic otitis media, unspecified ear |
| H6549 | Other chronic nonsuppurative otitis media |
| H65491 | Other chronic nonsuppurative otitis media, right ear |
| H65492 | Other chronic nonsuppurative otitis media, left ear |
| H65493 | Other chronic nonsuppurative otitis media, bilateral |
| H65499 | Other chronic nonsuppurative otitis media, unspecified ear |
| H659 | Unspecified nonsuppurative otitis media |
| H6590 | Unspecified nonsuppurative otitis media, unspecified ear |
| H6591 | Unspecified nonsuppurative otitis media, right ear |
| H6592 | Unspecified nonsuppurative otitis media, left ear |
| H6593 | Unspecified nonsuppurative otitis media, bilateral |
| H66 | Suppurative and unspecified otitis media |
| H660 | Acute suppurative otitis media |
| H6600 | Acute suppurative otitis media w/o spontaneous rupt ear drum Acute suppurative otitis media without spontaneous rupture of ear drum |
| H66001 | Acute suppurative otitis media without spontaneous rupture of ear drum, right ear |