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H743-char group

Other disorders of middle ear and mastoid

⇄ Primary-code rule changed vs QĐ4469

Coding rules (TT06)

  • ●Avoid — more specific 4-5 char codes exist (see below)

Codes within H74

H74.0TympanosclerosisH74.1Adhesive middle ear diseaseH74.2Discontinuity and dislocation of ear ossiclesH74.3Other acquired abnormalities of ear ossiclesH74.4Polyp of middle earH74.8Other specified disorders of middle ear and mastoidH74.9Disorder of middle ear and mastoid, unspecified