E87.1 is the ICD-10 code for Hypo-osmolality and hyponatraemia. It is a four-character subcategory of E87 (Other disorders of fluid, electrolyte and acid-base balance), the most specific level in the WHO edition. It belongs to the block E70–E90 (Metabolic disorders) in Chapter IV, Endocrine, nutritional and metabolic diseases.
- Code type
- Subcategory (4 characters)
- Chapter
- IV · E00–E90
- Classification
- WHO ICD-10, 2019 version
What E87.1 includes
Conditions and terms that are coded here.
- Sodium [Na] deficiency
What E87.1 excludes
Conditions that look similar but belong under another code.
- Syndrome of inappropriate secretion of antidiuretic hormone E22.2
E87.1 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
E87.1Hypoosmolalitet eller hyponatremi
DE871Hypoosmolalitet eller hyponatriæmi
- DE871AHyponatriæmi
- DE871BHypoosmolalitet
E87.1Hyposmolaliteetti ja hyponatremia
E87.1Hypoosmolalität und Hyponatriämie
E87.1Hypoosmolarité et hyponatrémie
- E87.10Hyponatrémie inférieure à 120 millimoles [mmol] par litre
- E87.18Hypoosmolarités et hyponatrémies, autres et sans précision
E87.1hypo-osmolaliteit en hyponatriëmie
E87.1Hypo-osmolality and hyponatremia
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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