| H66 | Suppurative and unspecified otitis media | NON-BILLABLE CODE |
| H66.0 | Acute suppurative otitis media | NON-BILLABLE CODE |
| H66.00 | Acute suppurative otitis media without spontaneous rupture of ear drum | NON-BILLABLE CODE |
| H66.001 | Acute suppurative otitis media without spontaneous rupture of ear drum, right ear | BILLABLE CODE |
| H66.002 | Acute suppurative otitis media without spontaneous rupture of ear drum, left ear | BILLABLE CODE |
| H66.003 | Acute suppurative otitis media without spontaneous rupture of ear drum, bilateral | BILLABLE CODE |
| H66.004 | Acute suppurative otitis media without spontaneous rupture of ear drum, recurrent, right ear | BILLABLE CODE |
| H66.005 | Acute suppurative otitis media without spontaneous rupture of ear drum, recurrent, left ear | BILLABLE CODE |
| H66.006 | Acute suppurative otitis media without spontaneous rupture of ear drum, recurrent, bilateral | BILLABLE CODE |
| H66.007 | Acute suppurative otitis media without spontaneous rupture of ear drum, recurrent, unspecified ear | BILLABLE CODE |
| H66.01 | Acute suppurative otitis media with spontaneous rupture of ear drum | NON-BILLABLE CODE |
| H66.011 | Acute suppurative otitis media with spontaneous rupture of ear drum, right ear | BILLABLE CODE |
| H66.012 | Acute suppurative otitis media with spontaneous rupture of ear drum, left ear | BILLABLE CODE |
| H66.013 | Acute suppurative otitis media with spontaneous rupture of ear drum, bilateral | BILLABLE CODE |
| H66.014 | Acute suppurative otitis media with spontaneous rupture of ear drum, recurrent, right ear | BILLABLE CODE |
| H66.015 | Acute suppurative otitis media with spontaneous rupture of ear drum, recurrent, left ear | BILLABLE CODE |
| H66.016 | Acute suppurative otitis media with spontaneous rupture of ear drum, recurrent, bilateral | BILLABLE CODE |
| H66.017 | Acute suppurative otitis media with spontaneous rupture of ear drum, recurrent, unspecified ear | BILLABLE CODE |
| H66.019 | Acute suppurative otitis media with spontaneous rupture of ear drum, unspecified ear | BILLABLE CODE |
| H66.1 | Chronic tubotympanic suppurative otitis media | NON-BILLABLE CODE |
| H66.10 | Chronic tubotympanic suppurative otitis media, unspecified | BILLABLE CODE |
| H66.11 | Chronic tubotympanic suppurative otitis media, right ear | BILLABLE CODE |
| H66.12 | Chronic tubotympanic suppurative otitis media, left ear | BILLABLE CODE |
| H66.13 | Chronic tubotympanic suppurative otitis media, bilateral | BILLABLE CODE |
| H66.2 | Chronic atticoantral suppurative otitis media | NON-BILLABLE CODE |
| H66.20 | Chronic atticoantral suppurative otitis media, unspecified ear | BILLABLE CODE |
| H66.21 | Chronic atticoantral suppurative otitis media, right ear | BILLABLE CODE |
| H66.22 | Chronic atticoantral suppurative otitis media, left ear | BILLABLE CODE |
| H66.23 | Chronic atticoantral suppurative otitis media, bilateral | BILLABLE CODE |
| H66.3 | Other chronic suppurative otitis media | NON-BILLABLE CODE |
| H66.3X | Other chronic suppurative otitis media | NON-BILLABLE CODE |
| H66.3X1 | Other chronic suppurative otitis media, right ear | BILLABLE CODE |
| H66.3X2 | Other chronic suppurative otitis media, left ear | BILLABLE CODE |
| H66.3X3 | Other chronic suppurative otitis media, bilateral | BILLABLE CODE |
| H66.3X9 | Other chronic suppurative otitis media, unspecified ear | BILLABLE CODE |
| H66.4 | Suppurative otitis media, unspecified | NON-BILLABLE CODE |
| H66.40 | Suppurative otitis media, unspecified, unspecified ear | BILLABLE CODE |
| H66.41 | Suppurative otitis media, unspecified, right ear | BILLABLE CODE |
| H66.42 | Suppurative otitis media, unspecified, left ear | BILLABLE CODE |
| H66.43 | Suppurative otitis media, unspecified, bilateral | BILLABLE CODE |
| H66.9 | Otitis media, unspecified | NON-BILLABLE CODE |
| H66.90 | Otitis media, unspecified, unspecified ear | BILLABLE CODE |
| H66.91 | Otitis media, unspecified, right ear | BILLABLE CODE |
| H66.92 | Otitis media, unspecified, left ear | BILLABLE CODE |
| H66.93 | Otitis media, unspecified, bilateral | BILLABLE CODE |
