ICD-10 Code for Gingivitis

The ICD-10-CM code for gingivitis is K05.10 — Chronic gingivitis, plaque induced. This is the code the Alphabetic Index gives for gingivitis with no further qualifier, valid for FY2027 (October 1, 2026 – September 30, 2027).

Billable

Which gingivitis code should you use?

The Alphabetic Index lists 6 codes under Gingivitis. Which one applies depends on the qualifier documented in the record — the type, site, cause, or associated condition. Find the qualifier below, then verify the code in the Tabular List before using it.

By type

acute	K05.00	Acute gingivitis, plaque induced
chronic	K05.10	Chronic gingivitis, plaque induced
necrotizing ulcerative	A69.1	Other Vincent's infections
pellagrous	E52	Niacin deficiency [pellagra]
Vincent's	A69.1	Other Vincent's infections

Gingivitis acute

necrotizing	A69.1	Other Vincent's infections
nonplaque induced	K05.01	Acute gingivitis, non-plaque induced
plaque induced	K05.00	Acute gingivitis, plaque induced

Gingivitis chronic

nonplaque induced	K05.11	Chronic gingivitis, non-plaque induced
plaque induced	K05.10	Chronic gingivitis, plaque induced

Gingivitis pellagrous

acute necrotizing

A69.1

Other Vincent's infections

Index terms and codes are reproduced from the official ICD-10-CM FY2027 release. The Alphabetic Index is a finding aid — a code must always be verified in the Tabular List before it is reported. Data sources