H74.2 – Discontinuity and dislocation of ear ossicles

ICD-10-CM 2027 diagnosis code · Diseases of middle ear and mastoid

Non-billable header

ICD-10-CM code H74.2

Code: H74.2 (claims format: H742)
Description: Discontinuity and dislocation of ear ossicles
Billable: No – use a more specific code below
Valid for: Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter: 8. Diseases of the ear and mastoid process (H60-H95)
Block: H65-H75 Diseases of middle ear and mastoid
Parent codes: H74

Billable codes under H74.2

H74.2 is a header code and cannot be used on claims. Choose the most specific code:

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

H74 – Other disorders of middle ear mastoid

Excludes2 (not included here):

mastoiditis (H70.-)

Index terms for H74.2

Entries in the ICD-10-CM alphabetic index that lead to this code:

Discontinuity, ossicles, ear

Related codes in H74

Frequently asked questions

What is ICD-10 code H74.2?

H74.2 is the ICD-10-CM code for discontinuity and dislocation of ear ossicles, in the block H65-H75 (Diseases of middle ear and mastoid).

Is H74.2 a billable code?

No. H74.2 is a header code with more specific child codes; report one of the billable codes listed above.

What category does H74.2 belong to?

It belongs to category H74 – Other disorders of middle ear mastoid.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.