All ICD10 Codes

H74

Non-Billable
ChapterH60–H95
Rankcategory
Official Description

Other disorders of middle ear mastoid

Use a more specific code (0 billable, 7 non-billable)
H74.0Tympanosclerosishas subcodesH74.1Adhesive middle ear diseasehas subcodesH74.2Discontinuity and dislocation of ear ossicleshas subcodesH74.3Other acquired abnormalities of ear ossicleshas subcodesH74.4Polyp of middle earhas subcodesH74.8Other specified disorders of middle ear and mastoidhas subcodesH74.9Unspecified disorder of middle ear and mastoidhas subcodes
Metadata & Insights
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 8: Diseases of the Ear and Mastoid Process (H60-H95).

CH8 Parent Instructions

Excludes2(Not included here. Code separately if applicable.)
  • certain conditions originating in the perinatal period (P04-P96)
  • certain infectious and parasitic diseases (A00-B99)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A)
  • congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
  • endocrine, nutritional and metabolic diseases (E00-E88)
  • injury, poisoning and certain other consequences of external causes (S00-T88)
  • neoplasms (C00-D49)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)

Instructional Notes

Excludes2(Not included here. Code separately if applicable.)
  • mastoiditis (H70.-)

Clinical Hierarchy

BillableHas subcodes
CH8Diseases of the ear and mastoid process (H60-H95)
H65-H75Diseases of middle ear and mastoid (H65-H75)
H74Other disorders of middle ear mastoidNot billable
H74.0TympanosclerosisSubcodes
H74.1Adhesive middle ear diseaseSubcodes
H74.2Discontinuity and dislocation of ear ossiclesSubcodes
H74.3Other acquired abnormalities of ear ossiclesSubcodes
H74.4Polyp of middle earSubcodes
H74.8Other specified disorders of middle ear and mastoidSubcodes
H74.9Unspecified disorder of middle ear and mastoidSubcodes

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to H74:

chapterCH8
Diseases of the ear and mastoid process (H60-H95)
View context instructions

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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