E23 is the ICD-10 code for Hypofunction and other disorders of pituitary gland. It is a three-character category divided into 6 subcodes; use the subcode whenever the record supports that level of detail. It belongs to the block E20–E35 (Disorders of other endocrine glands) in Chapter IV, Endocrine, nutritional and metabolic diseases.
- Code type
- Category (3 characters)
- Chapter
- IV · E00–E90
- Classification
- WHO ICD-10, 2019 version
What E23 includes
Conditions and terms that are coded here.
- the listed conditions whether the disorder is in the pituitary or the hypothalamus
What E23 excludes
Conditions that look similar but belong under another code.
- postprocedural hypopituitarism E89.3
Subcodes of E23
E23 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
DE23Nedsat aktivitet og andre sygdomme i hypofysen
E23Aivolisäkkeen vajaatoiminta ja muut aivolisäkehäiriöt
E23Unterfunktion und andere Störungen der Hypophyse
E23Hyposécrétion et autres anomalies de l'hypophyse
E23hypofunctie en overige aandoeningen van hypofyse
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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