AB11.1 Chronic mastoiditis
International Classification of Diseases for Mortality and Morbidity Statistics, 11th Revision, v2024-01
Persistent or recurrent inflammation of the space in the mastoid bone. It is often a complication of otitis media.
postcoordination
Add Stem and/or Extension codes to form a cluster code which adds detail to the condition.
Laterality - only one may be selected
synonyms
- Chronic mastoiditis
- chronic mastoiditis with opacification of mastoid
- Chronic suppurative mastoiditis
- Fistula of mastoid
- Postaural mastoid fistula
- postaural fistula
- postauricular fistula
- Retroauricular fistula
- Caries of mastoid
- mastoid necrosis
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