{"code":"I67.841","type":"code","title":"Reversible cerebrovascular vasoconstriction syndrome","codeAlso":[],"includes":[],"modern_v":"official26","codeFirst":["underlying condition, if applicable, such as eclampsia (O15.00-O15.9)"],"excludes1":["Occlusion and stenosis of cerebral artery causing cerebral infarction (I63.3-I63.5-)","Occlusion and stenosis of precerebral artery causing cerebral infarction (I63.2-)","traumatic intracranial hemorrhage (S06.-)"],"excludes2":["sequelae of the listed conditions (I69.8)"],"isBillable":true,"fyEffectivity":{"fy2026":true,"fy2027":true,"billableFy2026":true,"billableFy2027":true},"inclusionTerms":["Call-Fleming syndrome"],"useAdditionalCode":["code to identify presence of:","alcohol abuse and dependence (F10.-)","exposure to environmental tobacco smoke (Z77.22)","history of tobacco dependence (Z87.891)","hypertension (I10-I1A)","occupational exposure to environmental tobacco smoke (Z57.31)","tobacco dependence (F17.-)","tobacco use (Z72.0)"],"clinicalDefinition":"Reversible cerebrovascular vasoconstriction syndrome is a billable ICD-10-CM diagnosis code (I67.841). Inclusion terms: Call-Fleming syndrome. Excludes1 (not coded here): Occlusion and stenosis of cerebral artery causing cerebral infarction (I63.3-I63.5-); Occlusion and stenosis of precerebral artery causing cerebral infarction (I63.2-); traumatic intracranial hemorrhage (S06.-). Excludes2 (not included here): sequelae of the listed conditions (I69.8).","officialDefinition":"Reversible cerebrovascular vasoconstriction syndrome is a billable ICD-10-CM diagnosis code (I67.841). Inclusion terms: Call-Fleming syndrome. Excludes1 (not coded here): Occlusion and stenosis of cerebral artery causing cerebral infarction (I63.3-I63.5-); Occlusion and stenosis of precerebral artery causing cerebral infarction (I63.2-); traumatic intracranial hemorrhage (S06.-). Excludes2 (not included here): sequelae of the listed conditions (I69.8). Code first: underlying condition, if applicable, such as eclampsia (O15.00-O15.9). Use additional code: code to identify presence of:; alcohol abuse and dependence (F10.-); exposure to environmental tobacco smoke (Z77.22); history of tobacco dependence (Z87.891); hypertension (I10-I1A); 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":"","noteProvenance":{"Occlusion and stenosis of cerebral artery causing cerebral infarction (I63.3-I63.5-)":"I67","Occlusion and stenosis of precerebral artery causing cerebral infarction (I63.2-)":"I67","traumatic intracranial hemorrhage (S06.-)":"I67","sequelae of the listed conditions (I69.8)":"I67","code to identify presence of:":"I67","alcohol abuse and dependence (F10.-)":"I67","exposure to environmental tobacco smoke (Z77.22)":"I67","history of tobacco dependence (Z87.891)":"I67","hypertension (I10-I1A)":"I67","occupational exposure to environmental tobacco smoke (Z57.31)":"I67","tobacco dependence (F17.-)":"I67","tobacco use (Z72.0)":"I67"},"hcc":{"mapped":false,"model":"CMS-HCC V28","paymentYear":"2026","categories":[],"otherModels":[]}}