MCMedicalCodingSoftware
K05.2

K05.2: Aggressive periodontitis

Non-billable headerICD-10-CM

K05.2 is a non-billable header ICD-10-CM code for aggressive periodontitis. It cannot be billed on its own: choose one of the more specific child codes below.

Excludes1: never code together

These conditions cannot occur together. Billing both on the same encounter is a denial.

  • acute apical periodontitis (K04.4)
  • periapical abscess (K04.7)
  • periapical abscess with sinus (K04.6)

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

  • Acute pericoronitis

Other codes that can never be billed with K05.2

Their own Excludes1 notes name this code, so the conflict is not listed above.

  • K04.4Acute apical periodontitis of pulpal origin

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Code history

Unchanged in every release from FY2024 to FY2027.

Code to one of these instead K05.2

3 child codes. Green means billable.

Other codes under K05

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.