E73.9 is the ICD-10 code for Lactose intolerance, unspecified. It is a four-character subcategory of E73 (Lactose intolerance), 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
E73.9 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
E73.9Uspesifisert laktoseintoleranse
DE739Laktoseintolerans UNS
E73.9Määrittämätön laktoosi-intoleranssi
E73.9Laktoseintoleranz, nicht näher bezeichnet
E73.9Intolérance au lactose, sans précision
E73.9lactose-intolerantie, niet-gespecificeerd
E73.9Lactose intolerance, unspecified
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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