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H74.9 - Unspecified disorder of middle ear and mastoid


The ICD 10 Code for Unspecified disorder of middle ear and mastoid is listed as H74.9.
Additional information concerning this code and description can be found below including ICD 9 crosswalks / GEMS, chapter information, and DRGs where available.

ICD 10 CM Field Value
Diagnosis Code: H74.9
Description: Unspecified disorder of middle ear and mastoid
Chapter Diseases of the ear and mastoid process (H60-H95)
Block Diseases of middle ear and mastoid (H65-H75)
Parent H74 - Other disorders of middle ear mastoid
ICD-10-CM Children (deeper level / typically more specific) of H74.9:
H74.90 - Unspecified disorder of middle ear and mastoid, unspecified ear
H74.91 - Unspecified disorder of right middle ear and mastoid
H74.92 - Unspecified disorder of left middle ear and mastoid
H74.93 - Unspecified disorder of middle ear and mastoid, bilateral
ICD-10-CM Siblings (same level / similar specificity) of H74.9:
H74.0 - Tympanosclerosis
H74.1 - Adhesive middle ear disease
H74.2 - Discontinuity and dislocation of ear ossicles
H74.3 - Other acquired abnormalities of ear ossicles
H74.4 - Polyp of middle ear
H74.8 - Other specified disorders of middle ear and mastoid