K05.00 Acute gingivitis, plaque induced

Billable ICD-10-CM code, FY2026.

Applicable to

• Acute gingivitis NOS
• Plaque induced gingival disease

Applies from K05 Gingivitis and periodontal diseases

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)

Applies from K05.0 Acute gingivitis

Excludes1 (never code together)

• acute necrotizing ulcerative gingivitis (A69.1)
• herpesviral [herpes simplex] gingivostomatitis (B00.2)

MS-DRG index

Defines the logic of DRG(s) 011-013 in MDC PRE.

Approximate ICD-9-CM (GEMs)

• 523.00 Acute gingivitis, plaque induced

Code annotations containing back-references to K05.00

Back-references to K05.0

• Type 2 Excludes: K06 Other disorders of gingiva and edentulous alveolar ridge ("acute gingivitis (K05.0)")

Back-references to K05

• Type 2 Excludes: K13 Other diseases of lip and oral mucosa ("certain disorders of gingiva and edentulous alveolar ridge (K05-K06)")

Diagnosis Index entries for K05.00

• Catarrh, catarrhal (acute) (febrile) (infectious) (inflammation) › gingivitis
• Catarrh, catarrhal (acute) (febrile) (infectious) (inflammation) › gingivitis › plaque induced
• Disease, diseased › gingiva › plaque induced
• Disease, diseased › Jourdain's (acute gingivitis)
• Disease, diseased › Jourdain's (acute gingivitis) › plaque induced
• Gingivitis › acute (catarrhal)
• Gingivitis › acute (catarrhal) › plaque induced
• Infection, infected, infective (opportunistic) › gingiva (chronic) › acute
• Infection, infected, infective (opportunistic) › gingiva (chronic) › acute › plaque induced
• Infection, infected, infective (opportunistic) › gum (chronic) › acute
• Infection, infected, infective (opportunistic) › gum (chronic) › acute › plaque induced

Nearby codes

• K05 Gingivitis and periodontal diseases
• K05.0 Acute gingivitis
• K05.00 Acute gingivitis, plaque induced (this code)
• K05.01 Acute gingivitis, non-plaque induced
• K05.1 Chronic gingivitis
• K05.10 Chronic gingivitis, plaque induced
• K05.11 Chronic gingivitis, non-plaque induced
• K05.2 Aggressive periodontitis