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
Otitis externa
| acute | H60.50 | Unspecified acute noninfective otitis externa | not billable |
| chronic | H60.6 | Unspecified chronic otitis externa | not billable |
| infective NEC | H60.39 | Other infective otitis externa | not billable |
| malignant | H60.2 | Malignant otitis externa | not billable |
| mycotic NEC | B36.9 | Superficial mycosis, unspecified | |
| tropical NEC | B36.9 | Superficial mycosis, unspecified | |
| acute › actinic | H60.51 | Acute actinic otitis externa | not billable |
| acute › chemical | H60.52 | Acute chemical otitis externa | not billable |
| acute › contact | H60.53 | Acute contact otitis externa | not billable |
| acute › eczematoid | H60.54 | Acute eczematoid otitis externa | not billable |
| acute › reactive | H60.55 | Acute reactive otitis externa | not billable |
| acute › specified NEC | H60.59 | Other noninfective acute otitis externa | not billable |
| in › aspergillosis | B44.89 | Other forms of aspergillosis | |
| in › candidiasis | B37.84 | Candidal otitis externa | |
| in › erysipelas | A46 | Erysipelas | |
| in › herpesvirus infection | B00.1 | Herpesviral vesicular dermatitis | |
| in › impetigo | L01.00 | Impetigo, unspecified | |
| in › infectious disease NEC | B99 | Other and unspecified infectious diseases | not billable |
| in › mycosis NEC | B36.9 | Superficial mycosis, unspecified | |
| in › parasitic disease NEC | B89 | Unspecified parasitic disease | |
| in › viral disease NEC | B34.9 | Viral infection, unspecified | |
| in › zoster | B02.8 | Zoster with other complications | |
| infective NEC › diffuse | H60.31 | Diffuse otitis externa | not billable |
| infective NEC › hemorrhagic | H60.32 | Hemorrhagic otitis externa | not billable |
| in › herpesvirus infection › zoster | B02.8 | Zoster with other complications | |
| mycotic NEC › in › aspergillosis | B44.89 | Other forms of aspergillosis | |
| mycotic NEC › in › candidiasis | B37.84 | Candidal otitis externa | |
| mycotic NEC › in › moniliasis | B37.84 | Candidal otitis externa | |
| tropical NEC › in › aspergillosis | B44.89 | Other forms of aspergillosis | |
| tropical NEC › in › candidiasis | B37.84 | Candidal otitis externa | |
| tropical NEC › in › moniliasis | B37.84 | Candidal otitis externa |
Otitis media
| acute, subacute | H66.90 | Otitis media, unspecified, unspecified ear | |
| chronic | H66.90 | Otitis media, unspecified, unspecified ear | |
| nonsuppurative | H65.9 | Unspecified nonsuppurative otitis media | not billable |
| postmeasles | B05.3 | Measles complicated by otitis media | |
| suppurative | H66.4 | Suppurative otitis media, unspecified | not billable |
| tuberculous | A18.6 | Tuberculosis of (inner) (middle) ear | |
| in › measles | B05.3 | Measles complicated by otitis media | |
| in › scarlet fever | A38.0 | Scarlet fever with otitis media | |
| in › tuberculosis | A18.6 | Tuberculosis of (inner) (middle) ear | |
| nonsuppurative › acute or subacute NEC | H65.19 | Other acute nonsuppurative otitis media | not billable |
| nonsuppurative › chronic | H65.49 | Other chronic nonsuppurative otitis media | not billable |
| suppurative › acute | H66.00 | Acute suppurative otitis media without spontaneous rupture of ear drum | not billable |
| suppurative › chronic | H66.3 | Other chronic suppurative otitis media | not billable |
| nonsuppurative › acute or subacute NEC › allergic | H65.11 | Acute and subacute allergic otitis media (mucoid) (sanguinous) (serous) | not billable |
| nonsuppurative › acute or subacute NEC › recurrent | H65.19 | Other acute nonsuppurative otitis media | not billable |
| nonsuppurative › acute or subacute NEC › serous | H65.0 | Acute serous otitis media | not billable |
| nonsuppurative › chronic › allergic | H65.41 | Chronic allergic otitis media | not billable |
| nonsuppurative › chronic › mucoid | H65.3 | Chronic mucoid otitis media | not billable |
| nonsuppurative › chronic › serous | H65.2 | Chronic serous otitis media | not billable |
| suppurative › acute › with rupture of ear drum | H66.01 | Acute suppurative otitis media with spontaneous rupture of ear drum | not billable |
| suppurative › acute › recurrent | H66.00 | Acute suppurative otitis media without spontaneous rupture of ear drum | not billable |
| suppurative › chronic › atticoantral | H66.2 | Chronic atticoantral suppurative otitis media | not billable |
| suppurative › chronic › tubotympanic | H66.1 | Chronic tubotympanic suppurative otitis media | not billable |
| acute, subacute › necrotizing › in › measles | B05.3 | Measles complicated by otitis media | |
| acute, subacute › necrotizing › in › scarlet fever | A38.0 | Scarlet fever with otitis media | |
| nonsuppurative › acute or subacute NEC › allergic › recurrent | H65.11 | Acute and subacute allergic otitis media (mucoid) (sanguinous) (serous) | not billable |
| nonsuppurative › acute or subacute NEC › serous › recurrent | H65.0 | Acute serous otitis media | not billable |
| suppurative › acute › recurrent › with rupture of ear drum | H66.01 | Acute suppurative otitis media with spontaneous rupture of ear drum | not billable |
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