{"code":"G43.01","type":"code","title":"Migraine without aura, intractable","codeAlso":[],"includes":[],"modern_v":"official26","codeFirst":[],"excludes1":["chronic migraine without aura (G43.7-)","lower half migraine (G44.00)"],"excludes2":["headache NOS (R51.9)","headache syndromes (G44.-)"],"isBillable":false,"fyEffectivity":{"fy2026":true,"fy2027":true,"billableFy2026":false,"billableFy2027":false},"inclusionTerms":["Migraine without aura with refractory migraine"],"useAdditionalCode":["code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)"],"clinicalDefinition":"Migraine without aura, intractable is a non-billable ICD-10-CM category code (G43.01). A more specific billable subcode must be selected for claims submission. Inclusion terms: Migraine without aura with refractory migraine. Excludes1 (not coded here): chronic migraine without aura (G43.7-); lower half migraine (G44.00). Excludes2 (not included here): headache NOS (R51.9); headache syndromes (G44.-). Use additional code: code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5).","officialDefinition":"Migraine without aura, intractable is a non-billable ICD-10-CM category code (G43.01). A more specific billable subcode must be selected for claims submission. Inclusion terms: Migraine without aura with refractory migraine. Excludes1 (not coded here): chronic migraine without aura (G43.7-); lower half migraine (G44.00). Excludes2 (not included here): headache NOS (R51.9); headache syndromes (G44.-). Use additional code: code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5).","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":""}