H70.1 Non-Billable Code
Chronic mastoiditis
Chapter Classification
Chapter 8
Diseases of the ear and mastoid process (H60-H95)
Section Detail
H65-H75
Diseases of middle ear and mastoid (H65-H75)
Code Hierarchy
This code is a child of H70.
As a non-billable code, it requires more specific digits to be used on a medical claim.
As a non-billable code, it requires more specific digits to be used on a medical claim.
Coding Guidelines & Notes
excludes1
- tuberculous mastoiditis (A18.03)
More Specific Diagnosis Codes
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