{"code":"W90.1XXA","type":"code","title":"Exposure to infrared radiation, initial encounter","codeAlso":[],"includes":[],"modern_v":"official26","codeFirst":[],"excludes1":["exposure to:","failure in dosage of radiation or temperature during surgical and medical care (Y63.2-Y63.5)","lightning (T75.0-)","natural cold (X31)","natural heat (X30)","natural radiation NOS (X39)","radiological procedure and radiotherapy (Y84.2)","sunlight (X32)"],"excludes2":["exposure to sunlight (X32)"],"isBillable":true,"fyEffectivity":{"fy2026":true,"fy2027":true,"billableFy2026":true,"billableFy2027":true},"inclusionTerms":[],"useAdditionalCode":[],"clinicalDefinition":"Exposure to infrared radiation, initial encounter is a billable ICD-10-CM diagnosis code (W90.1A). Excludes1 (not coded here): exposure to:; failure in dosage of radiation or temperature during surgical and medical care (Y63.2-Y63.5); lightning (T75.0-); natural cold (X31); natural heat (X30); natural radiation NOS (X39); radiological procedure and radiotherapy (Y84.2); sunlight (X32). Excludes2 (not included here): exposure to sunlight (X32). 7th character: The appropriate 7th character is to be added to each code from category W90.","officialDefinition":"Exposure to infrared radiation, initial encounter is a billable ICD-10-CM diagnosis code (W90.1A). Excludes1 (not coded here): exposure to:; failure in dosage of radiation or temperature during surgical and medical care (Y63.2-Y63.5); lightning (T75.0-); natural cold (X31); natural heat (X30); natural radiation NOS (X39); radiological procedure and radiotherapy (Y84.2); sunlight (X32). Excludes2 (not included here): exposure to sunlight (X32). 7th character: The appropriate 7th character is to be added to each code from category W90.","seventhCharacterInstructions":["The appropriate 7th character is to be added to each code from category W90"],"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":{"exposure to:":"W90","failure in dosage of radiation or temperature during surgical and medical care (Y63.2-Y63.5)":"W90","lightning (T75.0-)":"W90","natural cold (X31)":"W90","natural heat (X30)":"W90","natural radiation NOS (X39)":"W90","radiological procedure and radiotherapy (Y84.2)":"W90","sunlight (X32)":"W90","exposure to sunlight (X32)":"W90"},"hcc":{"mapped":false,"model":"CMS-HCC V28","paymentYear":"2026","categories":[],"otherModels":[]}}