All ICD10 Codes

H74.9

Non-Billable
ChapterH60–H95
Ranksubcategory
Official Description

Unspecified disorder of middle ear and mastoid

Use a more specific code (4 billable)
H74.90Unspecified disorder of middle ear and mastoid, unspecified earH74.91Unspecified disorder of right middle ear and mastoidH74.92Unspecified disorder of left middle ear and mastoidH74.93Unspecified disorder of middle ear and mastoid, bilateral
Metadata & Insights
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 8: Diseases of the Ear and Mastoid Process (H60-H95).
General instructions are available for the parent sections:
View CH8 NotesView H74 Notes

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 mastoid
H74.9Unspecified disorder of middle ear and mastoidNot billable
H74.90Unspecified disorder of middle ear and mastoid, unspecified earBillable
H74.91Unspecified disorder of right middle ear and mastoidBillable
H74.92Unspecified disorder of left middle ear and mastoidBillable
H74.93Unspecified disorder of middle ear and mastoid, bilateralBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to H74.9:

categoryH74
Other disorders of middle ear mastoid
View context instructions
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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