{"code":"X04.XXXA","type":"code","title":"Exposure to ignition of highly flammable material, initial encounter","codeAlso":[],"includes":[],"modern_v":"official26","codeFirst":[],"excludes1":["arson (X97)"],"excludes2":["exposure to ignition or melting of nightwear (X05)","exposure to ignition or melting of other clothing and apparel (X06)","explosions (W35-W40)","lightning (T75.0-)","transport accident (V01-V99)"],"isBillable":true,"fyEffectivity":{"fy2026":true,"fy2027":true,"billableFy2026":true,"billableFy2027":true},"inclusionTerms":["Exposure to ignition of gasoline","Exposure to ignition of kerosene","Exposure to ignition of petrol"],"useAdditionalCode":[],"clinicalDefinition":"Exposure to ignition of highly flammable material, initial encounter is a billable ICD-10-CM diagnosis code (X04A). Inclusion terms: Exposure to ignition of gasoline; Exposure to ignition of kerosene; Exposure to ignition of petrol. Excludes1 (not coded here): arson (X97). Excludes2 (not included here): exposure to ignition or melting of nightwear (X05); exposure to ignition or melting of other clothing and apparel (X06); explosions (W35-W40); lightning (T75.0-); transport accident (V01-V99). 7th character: The appropriate 7th character is to be added to code X04.","officialDefinition":"Exposure to ignition of highly flammable material, initial encounter is a billable ICD-10-CM diagnosis code (X04A). Inclusion terms: Exposure to ignition of gasoline; Exposure to ignition of kerosene; Exposure to ignition of petrol. Excludes1 (not coded here): arson (X97). Excludes2 (not included here): exposure to ignition or melting of nightwear (X05); exposure to ignition or melting of other clothing and apparel (X06); explosions (W35-W40); lightning (T75.0-); transport accident (V01-V99). 7th character: The appropriate 7th character is to be added to code X04.","seventhCharacterInstructions":["The appropriate 7th character is to be added to code X04"],"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":"","noteProvenance":{"arson (X97)":"X04","exposure to ignition or melting of nightwear (X05)":"X04","exposure to ignition or melting of other clothing and apparel (X06)":"X04","explosions (W35-W40)":"X04","lightning (T75.0-)":"X04","transport accident (V01-V99)":"X04","Exposure to ignition of gasoline":"X04","Exposure to ignition of kerosene":"X04","Exposure to ignition of petrol":"X04"},"hcc":{"mapped":false,"model":"CMS-HCC V28","paymentYear":"2026","categories":[],"otherModels":[]}}