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ICD-11 Codes Starting with A

AA00

Abscess of external ear

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AA01

Cellulitis of external ear

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AA02

Malignant otitis externa

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AA03

Otomycosis

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AA04

Perichondritis of external ear

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AA0Y

Other specified infectious diseases of external ear

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AA0Z

Infectious diseases of external ear, unspecified

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AA10

Seborrhoeic otitis externa

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AA11

Acute noninfectious otitis externa

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AA12

Chondrodermatitis nodularis

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AA13

Chronic otitis externa

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AA1Y

Other specified noninfectious inflammation of external ear

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AA1Z

Noninfectious inflammation of external ear, unspecified

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AA3Y

Other specified otitis externa

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AA3Z

Otitis externa, unspecified

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AA40

Acquired deformity of external auditory canal

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AA40.0

Exostosis of external auditory canal

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AA40.1

Acquired stenosis of external auditory canal

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AA40.2

Cholesteatoma of external auditory canal

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AA40.Y

Other specified acquired deformity of external auditory canal

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AA41

Acquired deformity of pinna

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AA41.0

Cauliflower ear

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AA41.Y

Other specified acquired deformity of pinna

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AA42

Impacted cerumen

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AA4Y

Other specified noninflammatory disorders of the external ear

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AA4Z

Noninflammatory disorders of the external ear, unspecified

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AA6Z

Diseases of external ear, unspecified

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AA80

Acute serous or mucoid otitis media

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AA81

Acute nonserous nonsuppurative otitis media

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AA82

Chronic serous or mucoid otitis media

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AA83

Noninfected otitis media with effusion

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AA8Z

Nonsuppurative otitis media, unspecified

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AA90

Acute suppurative otitis media

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AA91

Chronic suppurative otitis media

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Explore ICD-11 Code Directory for Hospitals (A–Z Search)

Explore a complete list of over 64K ICD-11 diagnosis and procedure codes, organized alphabetically for easy access. Whether you're a medical professional, hospital staff, or healthcare coder, quickly find the terms you need.

This ICD-11 code directory helps streamline accurate documentation, billing, and reporting across clinical systems-improving efficiency and reducing coding errors.

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