Aggressive periodontitis, generalized, severe

This code signifies a severe, widespread form of periodontitis characterized by rapid attachment loss and bone destruction affecting most teeth. It involves significant inflammation and deep periodontal pockets, often leading to tooth mobility and eventual tooth loss if untreated. This aggressive form typically progresses quickly and can occur in otherwise healthy individuals.

Use this code when documentation explicitly states "aggressive periodontitis" that is "generalized" (affecting at least 30% of teeth) and "severe" (indicating significant clinical attachment loss and radiographic bone loss). This diagnosis is often supported by periodontal charting, radiographic evidence of extensive alveolar bone loss, and a rapid rate of disease progression.

• Ensure the documentation clearly specifies "aggressive" and not just chronic periodontitis.
• Verify both "generalized" (widespread) and "severe" (extent of damage) are explicitly stated or clearly implied by clinical findings.
• Differentiate from localized aggressive periodontitis (K05.21-) and chronic periodontitis codes (K05.3-).