H74 ICD-10-CM Code: Other disorders of middle ear mastoid
A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.
Code definition
Official description
H74Other disorders of middle ear mastoid
ICD-10-CM diagnosis code · United States clinical modification
Classification
Where H74 sits
- 1
Chapter 8
Diseases of the ear and mastoid process (H60-H95)
- 2
Section
Diseases of middle ear and mastoid (H65-H75)
- 3
Category H74
Other disorders of middle ear mastoid
- 4
Code H74
Other disorders of middle ear mastoid
More specific choices
Codes under H74
H74 is a non-billable category. Choose the child code that best matches the documented diagnosis.
Documentation details
Notes for this code
Inclusion terms
No inclusion terms are listed for H74.
Code first
No “code first” instruction is listed for H74.
Use additional code
No “use additional code” instruction is listed for H74.
Excludes1
Conditions that should not be reported together with this code.
No Excludes1 note is listed for H74.
Excludes2
Conditions not included here that may be reported separately when present.
- mastoiditis (H70.-)
Transparency
Source and release
This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.
Review the CDC/NCHS ICD-10-CM sourceCode-specific guidance
Frequently asked questions
What does ICD-10-CM code H74 mean?
H74 is the FY 2027 U.S. ICD-10-CM code for “Other disorders of middle ear mastoid.”
Is H74 a billable or specific ICD-10-CM code?
No. H74 has more specific child codes in the FY 2027 reference data. Select the code that matches the documentation and confirm the active code set and payer requirements.
Where is H74 located in ICD-10-CM?
H74 is listed in Chapter 8, Diseases of the ear and mastoid process (H60-H95), within Diseases of middle ear and mastoid (H65-H75) (H65–H75), under category H74, Other disorders of middle ear mastoid.
What coding notes are listed for H74?
No inclusion terms are listed for H74 in this reference record. No code-first instruction is listed. No Excludes1 note is listed. Excludes2 notes: mastoiditis (H70.-).
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