K05.21
Header — not billableAggressive periodontitis, localized
The ICD-10 code for aggressive periodontitis, localized is K05.21.
K05.21 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.
Clinical notes
Also known as
Alternate wording, synonyms, or specific conditions that fall under this code, listed to help confirm you've picked the right one.
- Periodontal abscess
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
- K05.20Aggressive periodontitis, unspecified
- K05.22Aggressive periodontitis, generalizednon-billable header
- K05.21Aggressive periodontitis, localizednon-billable header