{"code":"I77.75","type":"code","title":"Dissection of other precerebral arteries","codeAlso":[],"includes":[],"modern_v":"official26","codeFirst":[],"excludes1":[],"excludes2":["aneurysm of carotid artery (I72.0)","aneurysm of other precerebral arteries (I72.5)","aneurysm of vertebral artery (I72.6)","dissection of carotid artery (I77.71)","dissection of vertebral artery (I77.74)","dissection of aorta (I71.0-)","dissection of coronary artery (I25.42)","collagen (vascular) diseases (M30-M36)","hypersensitivity angiitis (M31.0)","pulmonary artery (I28.-)"],"isBillable":true,"fyEffectivity":{"fy2026":true,"fy2027":true,"billableFy2026":true,"billableFy2027":true},"inclusionTerms":["Dissection of basilar artery (trunk)"],"useAdditionalCode":[],"clinicalDefinition":"Dissection of other precerebral arteries is a billable ICD-10-CM diagnosis code (I77.75). Inclusion terms: Dissection of basilar artery (trunk). Excludes2 (not included here): aneurysm of carotid artery (I72.0); aneurysm of other precerebral arteries (I72.5); aneurysm of vertebral artery (I72.6); dissection of carotid artery (I77.71); dissection of vertebral artery (I77.74); dissection of aorta (I71.0-); dissection of coronary artery (I25.42); collagen (vascular) diseases (M30-M36); hypersensitivity angiitis (M31.0); pulmonary artery (I28.-).","officialDefinition":"Dissection of other precerebral arteries is a billable ICD-10-CM diagnosis code (I77.75). Inclusion terms: Dissection of basilar artery (trunk). Excludes2 (not included here): aneurysm of carotid artery (I72.0); aneurysm of other precerebral arteries (I72.5); aneurysm of vertebral artery (I72.6); dissection of carotid artery (I77.71); dissection of vertebral artery (I77.74); dissection of aorta (I71.0-); dissection of coronary artery (I25.42); collagen (vascular) diseases (M30-M36); hypersensitivity angiitis (M31.0); pulmonary artery (I28.-).","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":""}