"Death (cause unknown) (of) (unexplained) (unspecified cause)" References in the ICD-10-CM Index to Diseases and Injuries
- Death (cause unknown) (of) (unexplained) (unspecified cause) - R99 Ill-defined and unknown cause of mortality
- brain - G93.82 Brain death
- cardiac (sudden) (with successful resuscitation) - code to underlying disease
- family member (assumed) - Z63.4 Disappearance and death of family member
Applicable Clinical Terms Definitions
Brain: The part of CENTRAL NERVOUS SYSTEM that is contained within the skull (CRANIUM). Arising from the NEURAL TUBE, the embryonic brain is comprised of three major parts including PROSENCEPHALON (the forebrain); MESENCEPHALON (the midbrain); and RHOMBENCEPHALON (the hindbrain). The developed brain consists of CEREBRUM; CEREBELLUM; and other structures in the BRAIN STEM.