{"code":"L97.9","type":"code","title":"Non-pressure chronic ulcer of unspecified part of lower leg","codeAlso":[],"includes":["chronic ulcer of skin of lower limb NOS","non-healing ulcer of skin","non-infected sinus of skin","trophic ulcer NOS","tropical ulcer NOS","ulcer of skin of lower limb NOS"],"modern_v":"official26","codeFirst":["any associated underlying condition, such as:","any associated gangrene (I96)","atherosclerosis of the lower extremities (I70.23-, I70.24-, I70.33-, I70.34-, I70.43-, I70.44-, I70.53-, I70.54-, I70.63-, I70.64-, I70.73-, I70.74-)","chronic venous hypertension (I87.31-, I87.33-)","diabetic ulcers (E08.621, E08.622, E09.621, E09.622, E10.621, E10.622, E11.621, E11.622, E13.621, E13.622)","postphlebitic syndrome (I87.01-, I87.03-)","postthrombotic syndrome (I87.01-, I87.03-)","varicose ulcer (I83.0-, I83.2-)"],"excludes1":[],"excludes2":["pressure ulcer (pressure area) (L89.-)","skin infections (L00-L08)","specific infections classified to A00-B99"],"isBillable":false,"fyEffectivity":{"fy2026":true,"fy2027":true},"inclusionTerms":[],"useAdditionalCode":[],"clinicalDefinition":"Non-pressure chronic ulcer of unspecified part of lower leg is a non-billable ICD-10-CM category code (L97.9). A more specific billable subcode must be selected for claims submission. Includes: chronic ulcer of skin of lower limb NOS; non-healing ulcer of skin; non-infected sinus of skin; trophic ulcer NOS; tropical ulcer NOS; ulcer of skin of lower limb NOS. Excludes2 (not included here): pressure ulcer (pressure area) (L89.","officialDefinition":"Non-pressure chronic ulcer of unspecified part of lower leg is a non-billable ICD-10-CM category code (L97.9). A more specific billable subcode must be selected for claims submission. Includes: chronic ulcer of skin of lower limb NOS; non-healing ulcer of skin; non-infected sinus of skin; trophic ulcer NOS; tropical ulcer NOS; ulcer of skin of lower limb NOS. Excludes2 (not included here): pressure ulcer (pressure area) (L89.-); skin infections (L00-L08); specific infections classified to A00-B99. Code first: any associated underlying condition, such as:; any associated gangrene (I96); atherosclerosis of the lower extremities (I70.23-, I70.24-, I70.33-, I70.34-, I70.43-, I70.44-, I70.53-, I70.54-, I70.63-, I70.64-, I70.73-, I70.74-); chronic venous hypertension (I87.31-, I87.33-); diabetic ulcers (E08.621, E08.622, E09.621, E09.622, E10.621, E10.622, E11.621, E11.622, E13.621, E13.622); postphlebitic syndrome (I87.01-, I87.03-); postthrombotic syndrome (I87.01-, I87.03-); varicose ulcer (I83.0-, I83.2-).","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":""}