H70.1 - Chronic mastoiditis
- Applicable to Chronic mastoiditis
- The 2025 edition of ICD10-CM H70.1 became effective on October 1, 2024.
- This is the American ICD10-CM version of H70.1 - other international versions of ICD10 H70.1 may differ.
- H70.1 is a Non-Billable / Non-Specific ICD10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
- H70.1 Code should not be used for billing or reimbursement purposes as there are multiple ICD-10 CM codes below it that contain a greater level of detail.
- H70.1 - Chronic mastoiditis
- H70.1 - Chronic mastoiditis
- H70.10 - Chronic mastoiditis, unspecified ear
- H70.11 - Chronic mastoiditis, right ear
- H70.12 - Chronic mastoiditis, left ear
- H70.13 - Chronic mastoiditis, bilateral
Inclusion terms help to clarify and specify the conditions or diseases covered by a particular ICD-10-CM code.
Inclusion Term:
- Caries of mastoid
- Fistula of mastoid
Type 1 Excludes
- tuberculous mastoiditis (A18.03)
Non-Billable/Non-Specific Code
The following codes above H70.1 contain annotation back-references that may be applicable to H70.1:
- Chapter: H60-H95 - Diseases of the ear and mastoid process
- Section: H65-H75 - Diseases of middle ear and mastoid
- Category: H70 - Mastoiditis and related conditions
Browse other similar CM codes:
Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.
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