Is ICD-10-CM code H74 billable?

No, H74 (Other disorders of middle ear mastoid) is a non-billable ICD-10-CM code. It must be coded to a more specific subcategory before it can be used for reimbursement.

What chapter does ICD-10-CM code H74 belong to?

H74 belongs to Chapter 8 of the ICD-10-CM tabular list: H60–H95 (Diseases of the Ear and Mastoid Process).

H74Not billable, use a more specific code below

Other disorders of middle ear mastoid

In Diseases of middle ear and mastoid (H65-H75), chapter 8: Diseases of the Ear and Mastoid Process

36 billable codes under H74: none are a CC or MCC; none map to an HCC.

Instructional notes

Excludes2: not included here, code separately if applicable

mastoiditis (H70.-)

Official coding guidelines

From the ICD-10-CM Official Guidelines for Coding and Reporting, FY 2027 (CMS and NCHS). Links open the PDF at the right page.

There are no chapter-specific rules for Chapter 8 yet, so the general rules in Section I.B apply.

Read Section I.C.8 (page 49)

All codes under H74

H74 can't be used on a claim. Pick a billable code below; grey headings group them.

H74 MS-DRGs

As the principal diagnosis, all 36 billable codes under H74 group to MS-DRG 154, 155, or 156 (v44.0). Which one applies depends on procedures performed, secondary diagnoses (CC/MCC), and the patient's age and discharge status.

About the condition

Plain-language background from MedlinePlus (National Library of Medicine), not coding guidance.

Ear Disorders

An ear disorder is any condition that changes or harms the shape or structure of your ear. This can include abnormal ear shapes you're born with, injuries that change your ear's shape, and a growth on or in the ear.

Code history

Valid since FY2016, when ICD-10-CM took effect on October 1, 2015. No changes since.