K05 Gingivitis and periodontal diseases

Category / Non-billable header 33 subcodes

Block: Diseases of oral cavity and salivary glands (K00-K14)

Use Additional Code

  • code to identify:
  • alcohol abuse and dependence (F10.-)
  • exposure to environmental tobacco smoke (Z77.22)
  • exposure to tobacco smoke in the perinatal period (P96.81)
  • history of tobacco dependence (Z87.891)
  • occupational exposure to environmental tobacco smoke (Z57.31)
  • tobacco dependence (F17.-)
  • tobacco use (Z72.0)

Subcodes

Subcodes are listed below for reference. Detail pages are not available for chapters 11–22.

Code Description Billable
K05..0 Acute gingivitis No
K05..00 Acute gingivitis, plaque induced Yes
K05..01 Acute gingivitis, non-plaque induced Yes
K05..1 Chronic gingivitis No
K05..10 Chronic gingivitis, plaque induced Yes
K05..11 Chronic gingivitis, non-plaque induced Yes
K05..2 Aggressive periodontitis No
K05..20 Aggressive periodontitis, unspecified Yes
K05..21 Aggressive periodontitis, localized No
K05..211 Aggressive periodontitis, localized, slight Yes
K05..212 Aggressive periodontitis, localized, moderate Yes
K05..213 Aggressive periodontitis, localized, severe Yes
K05..219 Aggressive periodontitis, localized, unspecified severity Yes
K05..22 Aggressive periodontitis, generalized No
K05..221 Aggressive periodontitis, generalized, slight Yes
K05..222 Aggressive periodontitis, generalized, moderate Yes
K05..223 Aggressive periodontitis, generalized, severe Yes
K05..229 Aggressive periodontitis, generalized, unspecified severity Yes
K05..3 Chronic periodontitis No
K05..30 Chronic periodontitis, unspecified Yes
K05..31 Chronic periodontitis, localized No
K05..311 Chronic periodontitis, localized, slight Yes
K05..312 Chronic periodontitis, localized, moderate Yes
K05..313 Chronic periodontitis, localized, severe Yes
K05..319 Chronic periodontitis, localized, unspecified severity Yes
K05..32 Chronic periodontitis, generalized No
K05..321 Chronic periodontitis, generalized, slight Yes
K05..322 Chronic periodontitis, generalized, moderate Yes
K05..323 Chronic periodontitis, generalized, severe Yes
K05..329 Chronic periodontitis, generalized, unspecified severity Yes
K05..4 Periodontosis Yes
K05..5 Other periodontal diseases Yes
K05..6 Periodontal disease, unspecified Yes

Last reviewed: September 2026