R99 is the ICD-10 code for Other ill-defined and unspecified causes of mortality. It is a three-character category that is not subdivided further. It belongs to the block R95–R99 (Ill-defined and unknown causes of mortality) in Chapter XVIII, Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified.
- Code type
- Category (3 characters)
- Chapter
- XVIII · R00–R99
- Classification
- WHO ICD-10, 2019 version
What R99 includes
Conditions and terms that are coded here.
- Death NOS
- Unknown cause of mortality
R99 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
R99Andra ofullständigt definierade och ospecificerade orsaker till död
- R99.9Andra ofullständigt definierade och ospecificerade orsaker till död
R99Annen dårlig definert eller uspesifisert dødsårsak
DR99Særlige forhold vedrørende død
- DR991Hjernedød i henhold til sundhedsloven § 176
- DR992Hjertedød i henhold til sundhedsloven § 176
R99Muu epätäydellisesti määritetty tai määrittämätön kuolemansyy
R99Sonstige ungenau oder nicht näher bezeichnete Todesursachen
R99Autres causes de mortalité mal définies et non précisées
R99overige slecht omschreven en niet-gespecificeerde oorzaken van sterfte
R99Ill-defined and unknown cause of mortality
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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