K12.2 is a billable ICD code used to specify a diagnosis of cellulitis and abscess of mouth. A 'billable code' is detailed enough to be used to specify a medical diagnosis.
Ludwig's angina, otherwise known as angina ludovici, is a serious, potentially life-threatening cellulitis, or connective tissue infection, of the floor of the mouth, usually occurring in adults with concomitant dental infections and if left untreated, may obstruct the airways, necessitating tracheotomy. It is named after the German physician ...