H70.21 - Acute petrositis
- Applicable to Acute petrositis
- The 2025 edition of ICD10-CM H70.21 became effective on October 1, 2024.
- This is the American ICD10-CM version of H70.21 - other international versions of ICD10 H70.21 may differ.
- H70.21 is a Non-Billable / Non-Specific ICD10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
- H70.21 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.
- H70.21 - Acute petrositis
- H70.21 - Acute petrositis
- H70.211 - Acute petrositis, right ear
- H70.212 - Acute petrositis, left ear
- H70.213 - Acute petrositis, bilateral
- H70.219 - Acute petrositis, unspecified ear
The following codes above H70.21 contain annotation back-references that may be applicable to H70.21:
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
Non-Billable/Non-Specific Code
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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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