ICD-10-CM 2027
ICD-10 code for gingivitis
From the official ICD-10-CM alphabetic index entry “Gingivitis”. Page updated September 29, 2026.
About coding gingivitis
The ICD-10-CM code for gingivitis is K05.10 (Chronic gingivitis, plaque induced). The official index lists 11 more specific codes, so check the documentation for details such as type, cause, site or severity before settling on K05.10.
Within K05.1 (chronic gingivitis), K05.10 is specifically for chronic gingivitis, plaque induced. Related codes cover non-plaque induced (K05.11).
Use an additional 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) and 2 more.
It is not a CC or MCC, so as a secondary diagnosis it doesn't change the MS-DRG severity level.
More specific gingivitis codes (official index)
- acute (catarrhal) K05.00 — Acute gingivitis, plaque induced
- necrotizing A69.1 — Other Vincent's infections
- nonplaque induced K05.01 — Acute gingivitis, non-plaque induced
- plaque induced K05.00 — Acute gingivitis, plaque induced
- chronic (desquamative) (hyperplastic) (simple marginal) (pregnancy associated) (ulcerative) K05.10 — Chronic gingivitis, plaque induced
- nonplaque induced K05.11 — Chronic gingivitis, non-plaque induced
- plaque induced K05.10 — Chronic gingivitis, plaque induced
- expulsiva
- necrotizing ulcerative (acute) A69.1 — Other Vincent's infections
- pellagrous E52 — Niacin deficiency [pellagra]
- acute necrotizing A69.1 — Other Vincent's infections
- Vincent's A69.1 — Other Vincent's infections
Common questions about gingivitis ICD-10 codes
What is the ICD-10 code for gingivitis?
- K05.10 — Chronic gingivitis, plaque induced. More specific codes apply when the documentation supports them: K05.00, A69.1, K05.01, K05.00 and others below.
What is the ICD-10 code for acute gingivitis?
- K05.00 — Acute gingivitis, plaque induced.
What is the ICD-10 code for chronic gingivitis?
- K05.10 — Chronic gingivitis, plaque induced.
What is the ICD-10 code for necrotizing ulcerative gingivitis?
- A69.1 — Other Vincent's infections.
What is the ICD-10 code for pellagrous gingivitis?
- E52 — Niacin deficiency [pellagra].
What is the ICD-10 code for vincent's gingivitis?
- A69.1 — Other Vincent's infections.
Is K05.10 billable?
- Yes. K05.10 is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).
Can K05.10 be used as a principal diagnosis?
- Yes. The Medicare Code Editor doesn't restrict K05.10 as a principal diagnosis.
Is K05.10 a CC or MCC?
- No. K05.10 is neither a CC nor an MCC under MS-DRG v44.0.