ICD-10-CM > K00-K95 > K00-K14 > K05 > K05.0 K05.0 Acute gingivitis Non-Billable/Non-Specific Type 1 Excludes acute necrotizing ulcerative gingivitis (A69.1)herpesviral [herpes simplex] gingivostomatitis (B00.2) Codes K05.00Acute gingivitis, plaque inducedK05.01Acute gingivitis, non-plaque induced