{"code":"E66.0","type":"code","title":"Obesity due to excess calories","codeAlso":[],"includes":[],"modern_v":"official26","codeFirst":["obesity complicating pregnancy, childbirth and the puerperium, if applicable (O99.21-)"],"excludes1":[],"excludes2":["adiposogenital dystrophy (E23.6)","lipomatosis dolorosa [Dercum] (E88.2)","lipomatosis NOS (E88.2)","Prader-Willi syndrome (Q87.11)"],"isBillable":false,"fyEffectivity":{"fy2026":true,"fy2027":true},"sibling_codes":["E66.01","E66.09"],"inclusionTerms":[],"sibling_titles":{"code":"E66.09","title":"Other obesity due to excess calories","isBillable":true},"useAdditionalCode":["code to identify body mass index (BMI), if known, for adults (Z68.1-Z68.45) or pediatrics (Z68.5-)"],"clinicalDefinition":"Obesity due to excess calories is a non-billable ICD-10-CM category code (E66.0). A more specific billable subcode must be selected for claims submission. Excludes2 (not included here): adiposogenital dystrophy (E23.6); lipomatosis dolorosa [Dercum] (E88.2); lipomatosis NOS (E88.2); Prader-Willi syndrome (Q87.11). Code first: obesity complicating pregnancy, childbirth and the puerperium, if applicable (O99.21-). Use additional code: code to identify body mass index (BMI), if known, for adults (Z68.1-Z68.45) or pediatrics (Z68.5-).","officialDefinition":"Obesity due to excess calories is a non-billable ICD-10-CM category code (E66.0). A more specific billable subcode must be selected for claims submission. Excludes2 (not included here): adiposogenital dystrophy (E23.6); lipomatosis dolorosa [Dercum] (E88.2); lipomatosis NOS (E88.2); Prader-Willi syndrome (Q87.11). Code first: obesity complicating pregnancy, childbirth and the puerperium, if applicable (O99.21-). Use additional code: code to identify body mass index (BMI), if known, for adults (Z68.1-Z68.45) or pediatrics (Z68.5-).","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":""}