K05.11 Chronic gingivitis, non-plaque induced

Billable ICD-10-CM code, FY2026.

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 K05.1 Chronic gingivitis

Applicable to

• Desquamative gingivitis (chronic)
• Gingivitis (chronic) NOS
• Hyperplastic gingivitis (chronic)
• Pregnancy associated gingivitis
• Simple marginal gingivitis (chronic)
• Ulcerative gingivitis (chronic)

Code first

• , if applicable, diseases of the digestive system complicating pregnancy (O99.61-)

MS-DRG index

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

Approximate ICD-9-CM (GEMs)

• 523.11 Chronic gingivitis, non-plaque induced

Code annotations containing back-references to K05.11

Back-references to K05.1

• Type 2 Excludes: K06 Other disorders of gingiva and edentulous alveolar ridge ("chronic gingivitis (K05.1)")
• Type 2 Excludes: K06 Other disorders of gingiva and edentulous alveolar ridge ("gingivitis NOS (K05.1)")

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 K05.11

• Disturbance (s) › keratinization NEC › gingiva › nonplaque induced
• Gingivitis › chronic (desquamative) (hyperplastic) (simple marginal) (pregnancy associated) (ulcerative) › nonplaque induced
• Infection, infected, infective (opportunistic) › gingiva (chronic) › nonplaque induced
• Infection, infected, infective (opportunistic) › gum (chronic) › nonplaque induced
• Inflammation, inflamed, inflammatory (with exudation) › gum › nonplaque induced
• Ulcer, ulcerated, ulcerating, ulceration, ulcerative › gingivitis › nonplaque induced

Nearby codes

• K05.0 Acute gingivitis
• K05.00 Acute gingivitis, plaque induced
• K05.01 Acute gingivitis, non-plaque induced
• K05.1 Chronic gingivitis
• K05.10 Chronic gingivitis, plaque induced
• K05.11 Chronic gingivitis, non-plaque induced (this code)
• K05.2 Aggressive periodontitis
• K05.20 Aggressive periodontitis, unspecified
• K05.21 Aggressive periodontitis, localized
• K05.211 Aggressive periodontitis, localized, slight
• K05.212 Aggressive periodontitis, localized, moderate