{"code":"K12.2","type":"code","title":"Cellulitis and abscess of mouth","codeAlso":[],"includes":[],"modern_v":"official26","codeFirst":[],"excludes1":["cancrum oris (A69.0)","cheilitis (K13.0)","gangrenous stomatitis (A69.0)","herpesviral [herpes simplex] gingivostomatitis (B00.2)","noma (A69.0)"],"excludes2":["abscess of salivary gland (K11.3)","abscess of tongue (K14.0)","periapical abscess (K04.6-K04.7)","periodontal abscess (K05.21)","peritonsillar abscess (J36)"],"isBillable":true,"fyEffectivity":{"fy2026":true,"fy2027":true},"sibling_codes":["K12","K12.0","K12.1","K12.3","K12.30","K12.31","K12.32","K12.33","K12.39"],"inclusionTerms":["Cellulitis of mouth (floor)","Submandibular abscess"],"sibling_titles":{"code":"K12.39","title":"Other oral mucositis (ulcerative)","isBillable":true},"useAdditionalCode":["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)"],"clinicalDefinition":"Cellulitis and abscess of mouth is a billable ICD-10-CM diagnosis code (K12.2). Inclusion terms: Cellulitis of mouth (floor); Submandibular abscess. Excludes1 (not coded here): cancrum oris (A69.0); cheilitis (K13.0); gangrenous stomatitis (A69.0); herpesviral [herpes simplex] gingivostomatitis (B00.2); noma (A69.0). Excludes2 (not included here): abscess of salivary gland (K11.3); abscess of tongue (K14.0); periapical abscess (K04.6-K04.7); periodontal abscess (K05.","officialDefinition":"Cellulitis and abscess of mouth is a billable ICD-10-CM diagnosis code (K12.2). Inclusion terms: Cellulitis of mouth (floor); Submandibular abscess. Excludes1 (not coded here): cancrum oris (A69.0); cheilitis (K13.0); gangrenous stomatitis (A69.0); herpesviral [herpes simplex] gingivostomatitis (B00.2); noma (A69.0). Excludes2 (not included here): abscess of salivary gland (K11.3); abscess of tongue (K14.0); periapical abscess (K04.6-K04.7); periodontal abscess (K05.21); peritonsillar abscess (J36). 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).","seventhCharacterInstructions":[],"workflowProtocols":[],"guidelines":{"whenToUse":[],"whenNotToUse":[],"commonBillingMistakes":[],"codeComparisons":[],"documentationChecklist":[]},"domainLandscape":{"summary":"Primary diagnostic domain and clinical landscape evaluation.","keyCategories":[],"diagnosticContinuum":"Progression continuum from acute presentation to resolution."},"children":[],"hierarchy":[],"relatedCodes":[],"relevantCPTCodes":[],"documentationTips":[],"caseStudies":[],"description":"","overview":""}