{"code":"L98.425","type":"code","title":"Non-pressure chronic ulcer of back with muscle involvement without evidence of necrosis","codeAlso":[],"includes":[],"modern_v":"official26","codeFirst":[],"excludes1":[],"excludes2":["pressure ulcer (pressure area) (L89.-)","gangrene (I96)","skin infections (L00-L08)","specific infections classified to A00-B99","ulcer of lower limb NEC (L97.-)","varicose ulcer (I83.0-I83.93)"],"isBillable":true,"fyEffectivity":{"fy2026":true,"fy2027":true,"billableFy2026":true,"billableFy2027":true},"inclusionTerms":[],"useAdditionalCode":[],"clinicalDefinition":"Non-pressure chronic ulcer of back with muscle involvement without evidence of necrosis is a billable ICD-10-CM diagnosis code (L98.425). Excludes2 (not included here): pressure ulcer (pressure area) (L89.-); gangrene (I96); skin infections (L00-L08); specific infections classified to A00-B99; ulcer of lower limb NEC (L97.-); varicose ulcer (I83.0-I83.93).","officialDefinition":"Non-pressure chronic ulcer of back with muscle involvement without evidence of necrosis is a billable ICD-10-CM diagnosis code (L98.425). Excludes2 (not included here): pressure ulcer (pressure area) (L89.-); gangrene (I96); skin infections (L00-L08); specific infections classified to A00-B99; ulcer of lower limb NEC (L97.-); varicose ulcer (I83.0-I83.93).","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":"","noteProvenance":{"pressure ulcer (pressure area) (L89.-)":"L98.4","gangrene (I96)":"L98.4","skin infections (L00-L08)":"L98.4","specific infections classified to A00-B99":"L98.4","ulcer of lower limb NEC (L97.-)":"L98.4","varicose ulcer (I83.0-I83.93)":"L98.4","Chronic ulcer of skin NOS":"L98.4","Tropical ulcer NOS":"L98.4","Ulcer of skin NOS":"L98.4"},"hcc":{"mapped":true,"model":"CMS-HCC V28","paymentYear":"2026","categories":[{"hcc":"380","label":"Chronic Ulcer of Skin, Except Pressure, Through to Bone or Muscle","family":"Skin","suppresses":[{"hcc":"381","label":"Pressure Ulcer of Skin with Full Thickness Skin Loss"},{"hcc":"382","label":"Pressure Ulcer of Skin with Partial Thickness Skin Loss"},{"hcc":"383","label":"Chronic Ulcer of Skin, Except Pressure, Not Specified as Through to Bone or Muscle"}]}],"otherModels":[{"model":"CMS-HCC V22","hcc":"161"},{"model":"RxHCC V08","hcc":"311"}]}}