ICD-10-CM category
H66: Suppurative and unspecified otitis media
Codes under H66 (Suppurative and unspecified otitis media). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| H66.0 | Acute suppurative otitis media | — |
| H66.0 | Acute suppurative otitis media | — |
| H66.00 | Acute suppurative otitis media without spontaneous rupture of ear drum | — |
| H66.00 | Acute suppurative otitis media without spontaneous rupture of ear drum | — |
| H66.001 | Acute suppurative otitis media without spontaneous rupture of ear drum, right ear | ✓ |
| H66.001 | Acute suppurative otitis media without spontaneous rupture of ear drum, right ear | ✓ |
| H66.01 | Acute suppurative otitis media with spontaneous rupture of ear drum | — |
| H66.01 | Acute suppurative otitis media with spontaneous rupture of ear drum | — |
| H66.1 | Chronic tubotympanic suppurative otitis media | — |
| H66.1 | Chronic tubotympanic suppurative otitis media | — |
| H66.002 | Acute suppurative otitis media without spontaneous rupture of ear drum, left ear | ✓ |
| H66.002 | Acute suppurative otitis media without spontaneous rupture of ear drum, left ear | ✓ |
| H66.2 | Chronic atticoantral suppurative otitis media | — |
| H66.2 | Chronic atticoantral suppurative otitis media | — |
| H66.003 | Acute suppurative otitis media without spontaneous rupture of ear drum, bilateral | ✓ |
| H66.003 | Acute suppurative otitis media without spontaneous rupture of ear drum, bilateral | ✓ |
| H66.3 | Other chronic suppurative otitis media | — |
| H66.3 | Other chronic suppurative otitis media | — |
| H66.3X | Other chronic suppurative otitis media | — |
| H66.3X | Other chronic suppurative otitis media | — |
| H66.3X1 | Other chronic suppurative otitis media, right ear | ✓ |
| H66.3X1 | Other chronic suppurative otitis media, right ear | ✓ |
| H66.3X2 | Other chronic suppurative otitis media, left ear | ✓ |
| H66.3X2 | Other chronic suppurative otitis media, left ear | ✓ |
| H66.3X3 | Other chronic suppurative otitis media, bilateral | ✓ |
| H66.3X3 | Other chronic suppurative otitis media, bilateral | ✓ |
| H66.3X9 | Other chronic suppurative otitis media, unspecified ear | ✓ |
| H66.3X9 | Other chronic suppurative otitis media, unspecified ear | ✓ |
| H66.004 | Acute suppurative otitis media without spontaneous rupture of ear drum, recurrent, right ear | ✓ |
| H66.004 | Acute suppurative otitis media without spontaneous rupture of ear drum, recurrent, right ear | ✓ |
| H66.4 | Suppurative otitis media, unspecified | — |
| H66.4 | Suppurative otitis media, unspecified | — |
| H66.005 | Acute suppurative otitis media without spontaneous rupture of ear drum, recurrent, left ear | ✓ |
| H66.005 | Acute suppurative otitis media without spontaneous rupture of ear drum, recurrent, left ear | ✓ |
| H66.006 | Acute suppurative otitis media without spontaneous rupture of ear drum, recurrent, bilateral | ✓ |
| H66.006 | Acute suppurative otitis media without spontaneous rupture of ear drum, recurrent, bilateral | ✓ |
| H66.007 | Acute suppurative otitis media without spontaneous rupture of ear drum, recurrent, unspecified ear | ✓ |
| H66.007 | Acute suppurative otitis media without spontaneous rupture of ear drum, recurrent, unspecified ear | ✓ |
| H66.009 | Acute suppurative otitis media without spontaneous rupture of ear drum, unspecified ear | ✓ |
| H66.009 | Acute suppurative otitis media without spontaneous rupture of ear drum, unspecified ear | ✓ |
| H66.9 | Otitis media, unspecified | — |
| H66.9 | Otitis media, unspecified | — |
| H66.10 | Chronic tubotympanic suppurative otitis media, unspecified | ✓ |
| H66.10 | Chronic tubotympanic suppurative otitis media, unspecified | ✓ |
| H66.011 | Acute suppurative otitis media with spontaneous rupture of ear drum, right ear | ✓ |
| H66.011 | Acute suppurative otitis media with spontaneous rupture of ear drum, right ear | ✓ |
| H66.11 | Chronic tubotympanic suppurative otitis media, right ear | ✓ |
| H66.11 | Chronic tubotympanic suppurative otitis media, right ear | ✓ |
| H66.012 | Acute suppurative otitis media with spontaneous rupture of ear drum, left ear | ✓ |
| H66.012 | Acute suppurative otitis media with spontaneous rupture of ear drum, left ear | ✓ |
| H66.12 | Chronic tubotympanic suppurative otitis media, left ear | ✓ |
| H66.12 | Chronic tubotympanic suppurative otitis media, left ear | ✓ |
| H66.013 | Acute suppurative otitis media with spontaneous rupture of ear drum, bilateral | ✓ |
| H66.013 | Acute suppurative otitis media with spontaneous rupture of ear drum, bilateral | ✓ |
| H66.13 | Chronic tubotympanic suppurative otitis media, bilateral | ✓ |
| H66.13 | Chronic tubotympanic suppurative otitis media, bilateral | ✓ |
| H66.014 | Acute suppurative otitis media with spontaneous rupture of ear drum, recurrent, right ear | ✓ |
| H66.014 | Acute suppurative otitis media with spontaneous rupture of ear drum, recurrent, right ear | ✓ |
| H66.015 | Acute suppurative otitis media with spontaneous rupture of ear drum, recurrent, left ear | ✓ |
| H66.015 | Acute suppurative otitis media with spontaneous rupture of ear drum, recurrent, left ear | ✓ |
| H66.016 | Acute suppurative otitis media with spontaneous rupture of ear drum, recurrent, bilateral | ✓ |
| H66.016 | Acute suppurative otitis media with spontaneous rupture of ear drum, recurrent, bilateral | ✓ |
| H66.017 | Acute suppurative otitis media with spontaneous rupture of ear drum, recurrent, unspecified ear | ✓ |
| H66.017 | Acute suppurative otitis media with spontaneous rupture of ear drum, recurrent, unspecified ear | ✓ |
| H66.019 | Acute suppurative otitis media with spontaneous rupture of ear drum, unspecified ear | ✓ |
| H66.019 | Acute suppurative otitis media with spontaneous rupture of ear drum, unspecified ear | ✓ |
| H66.20 | Chronic atticoantral suppurative otitis media, unspecified ear | ✓ |
| H66.20 | Chronic atticoantral suppurative otitis media, unspecified ear | ✓ |
| H66.21 | Chronic atticoantral suppurative otitis media, right ear | ✓ |
| H66.21 | Chronic atticoantral suppurative otitis media, right ear | ✓ |
| H66.22 | Chronic atticoantral suppurative otitis media, left ear | ✓ |
| H66.22 | Chronic atticoantral suppurative otitis media, left ear | ✓ |
| H66.23 | Chronic atticoantral suppurative otitis media, bilateral | ✓ |
| H66.23 | Chronic atticoantral suppurative otitis media, bilateral | ✓ |
| H66.40 | Suppurative otitis media, unspecified, unspecified ear | ✓ |
| H66.40 | Suppurative otitis media, unspecified, unspecified ear | ✓ |
| H66.41 | Suppurative otitis media, unspecified, right ear | ✓ |
| H66.41 | Suppurative otitis media, unspecified, right ear | ✓ |
| H66.42 | Suppurative otitis media, unspecified, left ear | ✓ |
| H66.42 | Suppurative otitis media, unspecified, left ear | ✓ |
| H66.43 | Suppurative otitis media, unspecified, bilateral | ✓ |
| H66.43 | Suppurative otitis media, unspecified, bilateral | ✓ |
| H66.90 | Otitis media, unspecified, unspecified ear | ✓ |
| H66.90 | Otitis media, unspecified, unspecified ear | ✓ |
| H66.91 | Otitis media, unspecified, right ear | ✓ |
| H66.91 | Otitis media, unspecified, right ear | ✓ |
| H66.92 | Otitis media, unspecified, left ear | ✓ |
| H66.92 | Otitis media, unspecified, left ear | ✓ |
| H66.93 | Otitis media, unspecified, bilateral | ✓ |
| H66.93 | Otitis media, unspecified, bilateral | ✓ |
Frequently asked questions
What is ICD-10-CM code H66?
H66 is an ICD-10-CM category covering Suppurative and unspecified otitis media. It contains 90 more specific diagnosis codes, 72 of which are billable.
Is H66 a billable code?
No — H66 is a category header and isn't billable on its own. Code to the highest level of specificity using one of its subcodes (for example H66.0 — Acute suppurative otitis media). 72 of the 90 codes under H66 are billable.
What codes fall under H66?
H66 includes H66.0, H66.0, H66.00, H66.00, H66.001, plus 85 more. See the full list with descriptions and billable status above.
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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.
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