Circular 06/2026

Chapter IV — Endocrine, nutritional and metabolic diseases

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E00-E07 — Disorders of thyroid gland

E00Congenital iodine-deficiency syndrome E01Iodine-deficiency-related thyroid disorders and allied conditions E02Subclinical iodine-deficiency hypothyroidism E03Other hypothyroidism E04Other nontoxic goitre E05Thyrotoxicosis [hyperthyroidism]E06Thyroiditis E07Other disorders of thyroid

E10-E14 — Diabetes mellitus

E10Type 1 diabetes mellitus E11Type 2 diabetes mellitus E12Malnutrition-related diabetes mellitus E13Other specified diabetes mellitus E14Unspecified diabetes mellitus

E15-E16 — Other disorders of glucose regulation and pancreatic internal secretion

E15Nondiabetic hypoglycaemic coma E16Other disorders of pancreatic internal secretion

E20-E35 — Disorders of other endocrine glands

E20Hypoparathyroidism E21Hyperparathyroidism and other disorders of parathyroid gland E22Hyperfunction of pituitary gland E23Hypofunction and other disorders of pituitary gland E24Cushing syndrome E25Adrenogenital disorders E26Hyperaldosteronism E27Other disorders of adrenal gland E28Ovarian dysfunction E29Testicular dysfunction E30Disorders of puberty, not elsewhere classified E31Polyglandular dysfunction E32Diseases of thymus E34Other endocrine disorders E35*Disorders of endocrine glands in diseases classified elsewhere

E40-E46 — Malnutrition

E40Kwashiorkor E41Nutritional marasmus E42Marasmic kwashiorkor E43Unspecified severe protein-energy malnutrition E44Protein-energy malnutrition of moderate and mild degree E45Retarded development following protein-energy malnutrition E46Unspecified protein-energy malnutrition

E50-E64 — Other nutritional deficiencies

E50Vitamin A deficiency E51Thiamine deficiency E52Niacin deficiency [pellagra]E53Deficiency of other B group vitamins E54Ascorbic acid deficiency E55Vitamin D deficiency E56Other vitamin deficiencies E58Dietary calcium deficiency E59Dietary selenium deficiency E60Dietary zinc deficiency E61Deficiency of other nutrient elements E63Other nutritional deficiencies E64Sequelae of malnutrition and other nutritional deficiencies

E65-E68 — Obesity and other hyperalimentation

E65Localized adiposity E66Obesity E67Other hyperalimentation E68Sequelae of hyperalimentation

E70-E90 — Metabolic disorders

E70Disorders of aromatic amino-acid metabolism E71Disorders of branched-chain amino-acid metabolism and fatty-acid metabolism E72Other disorders of amino-acid metabolism E73Lactose intolerance E74Other disorders of carbohydrate metabolism E75Disorders of sphingolipid metabolism and other lipid storage disorders E76Disorders of glycosaminoglycan metabolism E77Disorders of glycoprotein metabolism E78Disorders of lipoprotein metabolism and other lipidaemias E79Disorders of purine and pyrimidine metabolism E80Disorders of porphyrin and bilirubin metabolism E83Disorders of mineral metabolism E84Cystic fibrosis E85Amyloidosis E86Volume depletion E87Other disorders of fluid, electrolyte and acid-base balance E88Other metabolic disorders E89Postprocedural endocrine and metabolic disorders, not elsewhere classified E90*Nutritional and metabolic disorders in diseases classified elsewhere