{"code":"I70.321","type":"code","title":"Atherosclerosis of unspecified type of bypass graft(s) of the extremities with rest pain, right leg","codeAlso":[],"includes":["any condition classifiable to I70.31-","chronic limb-threatening ischemia NOS of unspecified type of bypass graft(s) of the extremities","chronic limb-threatening ischemia of unspecified type of bypass graft(s) of the extremities with rest pain","critical limb ischemia NOS of unspecified type of bypass graft(s) of the extremities","critical limb ischemia of unspecified type of bypass graft(s) of the extremities with rest pain","arteriolosclerosis","arterial degeneration","arteriosclerosis","arteriosclerotic vascular disease","arteriovascular degeneration","atheroma","endarteritis deformans or obliterans","senile arteritis","senile endarteritis","vascular degeneration"],"modern_v":"official26","codeFirst":[],"excludes1":["embolism or thrombus of bypass graft(s) of extremities (T82.8-)"],"excludes2":["arteriosclerotic cardiovascular disease (I25.1-)","arteriosclerotic heart disease (I25.1-)","atheroembolism (I75.-)","cerebral atherosclerosis (I67.2)","coronary atherosclerosis (I25.1-)","mesenteric atherosclerosis (K55.1)","precerebral atherosclerosis (I67.2)","primary pulmonary atherosclerosis (I27.0)"],"isBillable":true,"fyEffectivity":{"fy2026":true,"fy2027":true},"inclusionTerms":[],"useAdditionalCode":["code, if applicable, to identify chronic total occlusion of artery of extremity (I70.92)","code to identify:","exposure to environmental tobacco smoke (Z77.22)","history of tobacco dependence (Z87.891)","occupational exposure to environmental tobacco smoke (Z57.31)","tobacco dependence (F17.-)","tobacco use (Z72.0)"],"clinicalDefinition":"Atherosclerosis of unspecified type of bypass graft(s) of the extremities with rest pain, right leg is a billable ICD-10-CM diagnosis code (I70.321). Includes: any condition classifiable to I70.","officialDefinition":"Atherosclerosis of unspecified type of bypass graft(s) of the extremities with rest pain, right leg is a billable ICD-10-CM diagnosis code (I70.321). Includes: any condition classifiable to I70.31-; chronic limb-threatening ischemia NOS of unspecified type of bypass graft(s) of the extremities; chronic limb-threatening ischemia of unspecified type of bypass graft(s) of the extremities with rest pain; critical limb ischemia NOS of unspecified type of bypass graft(s) of the extremities; critical limb ischemia of unspecified type of bypass graft(s) of the extremities with rest pain; arteriolosclerosis; arterial degeneration; arteriosclerosis; arteriosclerotic vascular disease; arteriovascular degeneration; atheroma; endarteritis deformans or obliterans; senile arteritis; senile endarteritis; vascular degeneration. Excludes1 (not coded here): embolism or thrombus of bypass graft(s) of extremities (T82.8-). Excludes2 (not included here): arteriosclerotic cardiovascular disease (I25.1-); arteriosclerotic heart disease (I25.1-); atheroembolism (I75.-); cerebral atherosclerosis (I67.2); coronary atherosclerosis (I25.1-); mesenteric atherosclerosis (K55.1); precerebral atherosclerosis (I67.2); primary pulmonary atherosclerosis (I27.0). Use additional code: code, if applicable, to identify chronic total occlusion of artery of extremity (I70.92); code to identify:; exposure to environmental tobacco smoke (Z77.22); history of tobacco dependence (Z87.891); occupational exposure to environmental tobacco smoke (Z57.31); tobacco dependence (F17.-); tobacco use (Z72.0).","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":""}