{"code":"E74.20","type":"code","title":"Disorders of galactose metabolism, unspecified","codeAlso":[],"includes":[],"modern_v":"official26","codeFirst":[],"excludes1":["diabetes mellitus (E08-E13)","hypoglycemia NOS (E16.2)","increased secretion of glucagon (E16.3)","mucopolysaccharidosis (E76.0-E76.3)","androgen insensitivity syndrome (E34.5-)","congenital adrenal hyperplasia (E25.0)","hemolytic anemias attributable to enzyme disorders (D55.-)","Marfan syndrome (Q87.4-)","5-alpha-reductase deficiency (E29.1)"],"excludes2":["Ehlers-Danlos syndromes (Q79.6-)"],"isBillable":true,"fyEffectivity":{"fy2026":true,"fy2027":true,"billableFy2026":true,"billableFy2027":true},"sibling_codes":["E74","E74.0","E74.01","E74.02","E74.03","E74.04","E74.05","E74.09","E74.1","E74.10","E74.11","E74.12","E74.19","E74.2","E74.21","E74.29","E74.3","E74.31","E74.39","E74.4","E74.8","E74.81","E74.810","E74.818","E74.819","E74.82","E74.820","E74.829","E74.89","E74.9"],"inclusionTerms":[],"sibling_titles":{"code":"E74.9","title":"Disorder of carbohydrate metabolism, unspecified","isBillable":true},"useAdditionalCode":[],"clinicalDefinition":"Disorders of galactose metabolism, unspecified is a billable ICD-10-CM diagnosis code (E74.20). Excludes1 (not coded here): diabetes mellitus (E08-E13); hypoglycemia NOS (E16.2); increased secretion of glucagon (E16.3); mucopolysaccharidosis (E76.0-E76.3); androgen insensitivity syndrome (E34.5-); congenital adrenal hyperplasia (E25.0); hemolytic anemias attributable to enzyme disorders (D55.-); Marfan syndrome (Q87.4-); 5-alpha-reductase deficiency (E29.1). Excludes2 (not included here): Ehlers-Danlos syndromes (Q79.6-).","officialDefinition":"Disorders of galactose metabolism, unspecified is a billable ICD-10-CM diagnosis code (E74.20). Excludes1 (not coded here): diabetes mellitus (E08-E13); hypoglycemia NOS (E16.2); increased secretion of glucagon (E16.3); mucopolysaccharidosis (E76.0-E76.3); androgen insensitivity syndrome (E34.5-); congenital adrenal hyperplasia (E25.0); hemolytic anemias attributable to enzyme disorders (D55.-); Marfan syndrome (Q87.4-); 5-alpha-reductase deficiency (E29.1). Excludes2 (not included here): Ehlers-Danlos syndromes (Q79.6-).","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":{"diabetes mellitus (E08-E13)":"E74","hypoglycemia NOS (E16.2)":"E74","increased secretion of glucagon (E16.3)":"E74","mucopolysaccharidosis (E76.0-E76.3)":"E74","androgen insensitivity syndrome (E34.5-)":"E74","congenital adrenal hyperplasia (E25.0)":"E74","hemolytic anemias attributable to enzyme disorders (D55.-)":"E74","Marfan syndrome (Q87.4-)":"E74","5-alpha-reductase deficiency (E29.1)":"E74","Ehlers-Danlos syndromes (Q79.6-)":"E74"},"hcc":{"mapped":false,"model":"CMS-HCC V28","paymentYear":"2026","categories":[],"otherModels":[{"model":"CMS-HCC V22","hcc":"23"},{"model":"RxHCC V08","hcc":"43"}]}}