{"code":"L27.8","type":"code","title":"Dermatitis due to other substances taken internally","codeAlso":[],"includes":[],"modern_v":"official26","codeFirst":[],"excludes1":["allergy NOS (T78.40)"],"excludes2":["adverse food reaction, except dermatitis (T78.0-T78.1)","contact dermatitis (L23-L25)","drug photoallergic response (L56.1)","drug phototoxic response (L56.0)","urticaria (L50.-)","chronic (childhood) granulomatous disease (D71-)","dermatitis gangrenosa (L08.0)","dermatitis herpetiformis (L13.0)","dry skin dermatitis (L85.3)","factitial dermatitis (L98.1)","perioral dermatitis (L71.0)","radiation-related disorders of the skin and subcutaneous tissue (L55-L59)","stasis dermatitis (I87.2)"],"isBillable":true,"fyEffectivity":{"fy2026":true,"fy2027":true,"billableFy2026":true,"billableFy2027":true},"inclusionTerms":[],"useAdditionalCode":[],"clinicalDefinition":"Dermatitis due to other substances taken internally is a billable ICD-10-CM diagnosis code (L27.8). Excludes1 (not coded here): allergy NOS (T78.40). Excludes2 (not included here): adverse food reaction, except dermatitis (T78.0-T78.1); contact dermatitis (L23-L25); drug photoallergic response (L56.1); drug phototoxic response (L56.0); urticaria (L50.-); chronic (childhood) granulomatous disease (D71-); dermatitis gangrenosa (L08.0); dermatitis herpetiformis (L13.0); dry skin dermatitis (L85.","officialDefinition":"Dermatitis due to other substances taken internally is a billable ICD-10-CM diagnosis code (L27.8). Excludes1 (not coded here): allergy NOS (T78.40). Excludes2 (not included here): adverse food reaction, except dermatitis (T78.0-T78.1); contact dermatitis (L23-L25); drug photoallergic response (L56.1); drug phototoxic response (L56.0); urticaria (L50.-); chronic (childhood) granulomatous disease (D71-); dermatitis gangrenosa (L08.0); dermatitis herpetiformis (L13.0); dry skin dermatitis (L85.3); factitial dermatitis (L98.1); perioral dermatitis (L71.0); radiation-related disorders of the skin and subcutaneous tissue (L55-L59); stasis dermatitis (I87.2).","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":""}