10ICD Code Hub

H70.00

Header — not billable

Acute mastoiditis without complications

The ICD-10 code for acute mastoiditis without complications is H70.00.

H70.00 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.

Child codes under H70.00

Related codes in this category