ICD-9-CM

6. DISEASES OF THE NERVOUS SYSTEM AND SENSE ORGANS (320-389)

DISEASES OF THE EAR AND MASTOID PROCESS (380-389)

383 Mastoiditis and related conditions

383.9  Unspecified mastoiditis...

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ICD-9-CM Vol. 1 Diagnostic Codes

383.9 - Unspecified mastoiditis

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The above description is abbreviated. This code description may also have Includes, Excludes, Notes, Guidelines, Examples and other information.

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