Chapter IV of ICD-10 is titled “Endocrine, nutritional and metabolic diseases”. It spans codes E00–E90, in 8 blocks.
What Chapter IV excludes
Conditions that look similar but belong under another code.
Coding notes
- All neoplasms, whether functionally active or not, are classified in Chapter II. Appropriate codes in this chapter (i.e. E05.8, E07.0, E16-E31, E34.-) may be used, if desired, as additional codes to indicate either functional activity by neoplasms and ectopic endocrine tissue or hyperfunction and hypofunction of endocrine glands associated with neoplasms and other conditions classified elsewhere.
Blocks in Chapter IV
- E00–E07Disorders of thyroid gland8 categories
- E10–E14Diabetes mellitus5 categories
- E15–E16Other disorders of glucose regulation and pancreatic internal secretion2 categories
- E20–E35Disorders of other endocrine glands15 categories
- E40–E46Malnutrition7 categories
- E50–E64Other nutritional deficiencies13 categories
- E65–E68Obesity and other hyperalimentation4 categories
- E70–E90Metabolic disorders19 categories
Based on the World Health Organization’s International Statistical Classification of Diseases and Related Health Problems, 10th revision (ICD-10), 2019 version, and the national editions published by each country’s health authority. This page is a reference, not coding advice; follow your national coding rules when you report.
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