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ICD-10 diagnosis code

R96 Other sudden death, cause unknown

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R96 is the ICD-10 code for Other sudden death, cause unknown. It is a three-character category divided into 2 subcodes; use the subcode whenever the record supports that level of detail. 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 R96 excludes

Conditions that look similar but belong under another code.

  • sudden:
    • cardiac death, so described I46.1
    • infant death syndrome R95.-

Subcodes of R96

R96 in national editions

Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.

SwedenICD-10-SE

R96Annan plötslig död av okänd orsak

FinlandICD-10-FI

R96Muu tuntemattomasta syystä aiheutunut äkkikuolema

GermanyICD-10-GM

R96Sonstiger plötzlicher Tod unbekannter Ursache

FranceICD-10-FR

R96Autre mort subite de cause inconnue

NetherlandsICD-10-NL

R96overige plotse dood, oorzaak onbekend

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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