H70.21
Header — not billableAcute petrositis
The ICD-10 code for acute petrositis is H70.21.
H70.21 is a non-billable header code. It groups related conditions but cannot be used on its own for reimbursement — select one of the 4 more specific codes below.
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •This is a non-billable header code. Documentation must support a more specific child code before this diagnosis can be reported on a claim.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- H70.20Unspecified petrositisnon-billable header
- H70.22Chronic petrositisnon-billable header
- H70.21Acute petrositisnon-billable header