ICD-9-CM Codes ICD-9-PCS Codes

798.2 - Death occurring in less than 24 hours from onset of symptoms, not otherwise explained

GEM Conversion to ICD-10 CM

R99

Fs: 10000 – Ill-defined and unknown cause of mortality

Sibling Codes

798.0

Sudden infant death syndrome

798.1

Instantaneous death

798.2

Death occurring in less than 24 hours from onset of symptoms, not otherwise explained

798.9

Unattended death

Parent Sibling Codes

797

Senility without mention of psychosis