{"code":"D51.9","type":"code","title":"Vitamin B12 deficiency anemia, unspecified","codeAlso":[],"includes":[],"modern_v":"official26","codeFirst":[],"excludes1":[],"excludes2":["deficiency of other B group vitamins (E53-)"],"isBillable":true,"fyEffectivity":{"fy2026":true,"fy2027":true,"billableFy2026":true,"billableFy2027":true},"sibling_codes":["D51","D51.0","D51.1","D51.2","D51.3","D51.8"],"inclusionTerms":[],"sibling_titles":{"code":"D51.8","title":"Other vitamin B12 deficiency anemias","isBillable":true},"useAdditionalCode":[],"clinicalDefinition":"Vitamin B12 deficiency anemia, unspecified is a billable ICD-10-CM diagnosis code (D51.9). Excludes2 (not included here): deficiency of other B group vitamins (E53-).","officialDefinition":"Vitamin B12 deficiency anemia, unspecified is a billable ICD-10-CM diagnosis code (D51.9). Excludes2 (not included here): deficiency of other B group vitamins (E53-).","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":""}