FY2027
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ICD-10 Code for Otitis

Also indexed as (acute)

The ICD-10-CM code for otitis is H66.90 — Otitis media, unspecified, unspecified ear. This is the code the Alphabetic Index gives for otitis with no further qualifier, valid for FY2027 (October 1, 2026 – September 30, 2027).

BillableUnspecified

H66.90 is billable but unspecified. If the documentation names a type, site or cause, one of the more specific codes below is likely expected.

Which otitis code should you use?

The Alphabetic Index lists 43 codes under Otitis. Which one applies depends on the qualifier documented in the record — the type, site, cause, or associated condition. Find the qualifier below, then verify the code in the Tabular List before using it.

By type

externaH60.9Not billableUnspecified otitis externa
mediaH66.9Not billableOtitis media, unspecified

Otitis externa

acuteH60.50Not billableUnspecified acute noninfective otitis externa
chronicH60.6Not billableUnspecified chronic otitis externa
infective NECH60.39Not billableOther infective otitis externa
malignantH60.2Not billableMalignant otitis externa
mycotic NECB36.9Superficial mycosis, unspecified
tropical NECB36.9Superficial mycosis, unspecified
acute › actinicH60.51Not billableAcute actinic otitis externa
acute › chemicalH60.52Not billableAcute chemical otitis externa
acute › contactH60.53Not billableAcute contact otitis externa
acute › eczematoidH60.54Not billableAcute eczematoid otitis externa
acute › reactiveH60.55Not billableAcute reactive otitis externa
acute › specified NECH60.59Not billableOther noninfective acute otitis externa
in › aspergillosisB44.89Other forms of aspergillosis
in › candidiasisB37.84Candidal otitis externa
in › erysipelasA46Erysipelas
in › herpes virus infectionB00.1Herpesviral vesicular dermatitis
in › impetigoL01.00Impetigo, unspecified
in › infectious disease NECB99Not billableOther and unspecified infectious diseases
in › mycosis NECB36.9Superficial mycosis, unspecified
in › parasitic disease NECB89Unspecified parasitic disease
in › viral disease NECB34.9Viral infection, unspecified
in › zosterB02.8Zoster with other complications
infective NEC › diffuseH60.31Not billableDiffuse otitis externa
infective NEC › hemorrhagicH60.32Not billableHemorrhagic otitis externa
in › herpes virus infection › zosterB02.8Zoster with other complications
mycotic NEC › in › aspergillosisB44.89Other forms of aspergillosis
mycotic NEC › in › candidiasisB37.84Candidal otitis externa
mycotic NEC › in › moniliasisB37.84Candidal otitis externa
tropical NEC › in › aspergillosisB44.89Other forms of aspergillosis
tropical NEC › in › candidiasisB37.84Candidal otitis externa
tropical NEC › in › moniliasisB37.84Candidal otitis externa

Otitis media

acute, subacuteH66.90Otitis media, unspecified, unspecified ear
chronicH66.90Otitis media, unspecified, unspecified ear
nonsuppurativeH65.9Not billableUnspecified nonsuppurative otitis media
postmeaslesB05.3Measles complicated by otitis media
suppurativeH66.4Not billableSuppurative otitis media, unspecified
tuberculousA18.6Tuberculosis of (inner) (middle) ear
in › measlesB05.3Measles complicated by otitis media
in › scarlet feverA38.0Scarlet fever with otitis media
in › tuberculosisA18.6Tuberculosis of (inner) (middle) ear
nonsuppurative › acute or subacute NECH65.19Not billableOther acute nonsuppurative otitis media
nonsuppurative › chronicH65.49Not billableOther chronic nonsuppurative otitis media
suppurative › acuteH66.00Not billableAcute suppurative otitis media without spontaneous rupture of ear drum
suppurative › chronicH66.3Not billableOther chronic suppurative otitis media
nonsuppurative › acute or subacute NEC › allergicH65.11Not billableAcute and subacute allergic otitis media (mucoid) (sanguinous) (serous)
nonsuppurative › acute or subacute NEC › recurrentH65.19Not billableOther acute nonsuppurative otitis media
nonsuppurative › acute or subacute NEC › serousH65.0Not billableAcute serous otitis media
nonsuppurative › chronic › allergicH65.41Not billableChronic allergic otitis media
nonsuppurative › chronic › mucoidH65.3Not billableChronic mucoid otitis media
nonsuppurative › chronic › serousH65.2Not billableChronic serous otitis media
suppurative › acute › with rupture of ear drumH66.01Not billableAcute suppurative otitis media with spontaneous rupture of ear drum
suppurative › acute › recurrentH66.00Not billableAcute suppurative otitis media without spontaneous rupture of ear drum
suppurative › chronic › atticoantralH66.2Not billableChronic atticoantral suppurative otitis media
suppurative › chronic › tubotympanicH66.1Not billableChronic tubotympanic suppurative otitis media
acute, subacute › necrotizing › in › measlesB05.3Measles complicated by otitis media
acute, subacute › necrotizing › in › scarlet feverA38.0Scarlet fever with otitis media
nonsuppurative › acute or subacute NEC › allergic › recurrentH65.11Not billableAcute and subacute allergic otitis media (mucoid) (sanguinous) (serous)
nonsuppurative › acute or subacute NEC › serous › recurrentH65.0Not billableAcute serous otitis media
suppurative › acute › recurrent › with rupture of ear drumH66.01Not billableAcute suppurative otitis media with spontaneous rupture of ear drum

Index terms and codes are reproduced from the official ICD-10-CM FY2027 release. The Alphabetic Index is a finding aid — a code must always be verified in the Tabular List before it is reported. Data sources