H66 — Suppurative and unspecified otitis media
Is H66 billable?
No — H66 is a non-billable header code. H66 groups more specific codes and cannot be submitted on a claim. A valid ICD-10-CM code must be reported at the highest level of specificity available in its branch. Select one of the 36 billable codes beneath H66.
Billable codes under this header
- H66.10Chronic tubotympanic suppurative otitis media, unspecified
- H66.11Chronic tubotympanic suppurative otitis media, right ear
- H66.12Chronic tubotympanic suppurative otitis media, left ear
- H66.13Chronic tubotympanic suppurative otitis media, bilateral
- H66.20Chronic atticoantral suppurative otitis media, unspecified ear
- H66.21Chronic atticoantral suppurative otitis media, right ear
- H66.22Chronic atticoantral suppurative otitis media, left ear
- H66.23Chronic atticoantral suppurative otitis media, bilateral
- H66.40Suppurative otitis media, unspecified, unspecified ear
- H66.41Suppurative otitis media, unspecified, right ear
- H66.42Suppurative otitis media, unspecified, left ear
- H66.43Suppurative otitis media, unspecified, bilateral
- H66.90Otitis media, unspecified, unspecified ear
- H66.91Otitis media, unspecified, right ear
- H66.92Otitis media, unspecified, left ear
- H66.93Otitis media, unspecified, bilateral
- H66.001Acute suppurative otitis media without spontaneous rupture of ear drum, right ear
- H66.002Acute suppurative otitis media without spontaneous rupture of ear drum, left ear
- H66.003Acute suppurative otitis media without spontaneous rupture of ear drum, bilateral
- H66.004Acute suppurative otitis media without spontaneous rupture of ear drum, recurrent, right ear
- H66.005Acute suppurative otitis media without spontaneous rupture of ear drum, recurrent, left ear
- H66.006Acute suppurative otitis media without spontaneous rupture of ear drum, recurrent, bilateral
- H66.007Acute suppurative otitis media without spontaneous rupture of ear drum, recurrent, unspecified ear
- H66.009Acute suppurative otitis media without spontaneous rupture of ear drum, unspecified ear
- H66.011Acute suppurative otitis media with spontaneous rupture of ear drum, right ear
- H66.012Acute suppurative otitis media with spontaneous rupture of ear drum, left ear
- H66.013Acute suppurative otitis media with spontaneous rupture of ear drum, bilateral
- H66.014Acute suppurative otitis media with spontaneous rupture of ear drum, recurrent, right ear
- H66.015Acute suppurative otitis media with spontaneous rupture of ear drum, recurrent, left ear
- H66.016Acute suppurative otitis media with spontaneous rupture of ear drum, recurrent, bilateral
- H66.017Acute suppurative otitis media with spontaneous rupture of ear drum, recurrent, unspecified ear
- H66.019Acute suppurative otitis media with spontaneous rupture of ear drum, unspecified ear
- H66.3X1Other chronic suppurative otitis media, right ear
- H66.3X2Other chronic suppurative otitis media, left ear
- H66.3X3Other chronic suppurative otitis media, bilateral
- H66.3X9Other chronic suppurative otitis media, unspecified ear
H66 at a glance
| Code | H66 |
|---|---|
| Description | Suppurative and unspecified otitis media |
| Billable | No — header code |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Use additional code
Report an additional code alongside H66 to fully describe the condition. H66 is sequenced first.
Includes
Conditions classified to H66.
- suppurative and unspecified otitis media with myringitis
Excludes2 — not included here — inherited from Chapter 8
The conditions below are not part of H66, but a patient may have both at the same time. When documentation supports it, H66 and the excluded code may both be reported.
- certain conditions originating in the perinatal period (P04-P96)
- certain infectious and parasitic diseases (A00-B99)
- complications of pregnancy, childbirth and the puerperium (O00-O9A)
- congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
- endocrine, nutritional and metabolic diseases (E00-E88)
- injury, poisoning and certain other consequences of external causes (S00-T88)
- neoplasms (C00-D49)
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
What codes fall under H66? (6)
- H66.0Acute suppurative otitis medianot billable
- H66.1Chronic tubotympanic suppurative otitis medianot billable
- H66.2Chronic atticoantral suppurative otitis medianot billable
- H66.3Other chronic suppurative otitis medianot billable
- H66.4Suppurative otitis media, unspecifiednot billable
- H66.9Otitis media, unspecifiednot billable
How long has H66 existed?
H66 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.
Which codes are confused with H66?
ICD-10-CM declares these codes mutually exclusive with H66 — exactly one of each pair can be correct for a given encounter.