Index to Diseases and Injuries
Death (cause unknown) (of) (unexplained) (unspecified cause)
Index code:R99
- brain G93.82
- cardiac (sudden) (with successful resuscitation) — see Arrest, cardiac
- family history of Z82.41
- personal history of Z86.74
- family member (assumed) Z63.4
Use the index to find a code, then confirm it in the Tabular List before assigning it. A code ending in a dash is incomplete, and a code in [brackets] is a manifestation code reported after the underlying condition. Search the whole index.
Frequently asked questions
What is the ICD-10-CM code for Death?
The ICD-10-CM Alphabetic Index directs "Death" to R99. Subterms below it may lead to a more specific code. Always confirm the code in the Tabular List before assigning it.
ICD-10-CM Index to Diseases and Injuries maintained by CDC/NCHS (public domain), from the CMS FY2027 release.