{"code":"L57.9","type":"code","title":"Skin changes due to chronic exposure to nonionizing radiation, unspecified","codeAlso":[],"includes":[],"modern_v":"official26","codeFirst":[],"excludes1":[],"excludes2":[],"isBillable":true,"fyEffectivity":{"fy2026":true,"fy2027":true,"billableFy2026":true,"billableFy2027":true},"sibling_codes":["L57","L57.0","L57.1","L57.2","L57.3","L57.4","L57.5","L57.8"],"inclusionTerms":[],"sibling_titles":{"code":"L57.8","title":"Other skin changes due to chronic exposure to nonionizing radiation","isBillable":true},"useAdditionalCode":["code to identify the source of the ultraviolet radiation (W89), or other nonionizing radiation (W90)"],"clinicalDefinition":"Skin changes due to chronic exposure to nonionizing radiation, unspecified is a billable ICD-10-CM diagnosis code (L57.9). Use additional code: code to identify the source of the ultraviolet radiation (W89), or other nonionizing radiation (W90).","officialDefinition":"Skin changes due to chronic exposure to nonionizing radiation, unspecified is a billable ICD-10-CM diagnosis code (L57.9). Use additional code: code to identify the source of the ultraviolet radiation (W89), or other nonionizing radiation (W90).","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":""}