Chapter XVIII
Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified
(R00-R99)

Rules Conventions GCS DChS.XVIII.1 DCS.XIX.8

Ill-defined and unknown causes of mortality
(R95-R99)

Excl.:
fetal death of unspecified cause ( P95)
obstetric death NOS ( O95)

R95 Sudden infant death syndrome
DCS.XVI.9

R95.0 Sudden infant death syndrome with mention of autopsy
R95.9 Sudden infant death syndrome without mention of autopsy
Incl.:
Sudden infant death syndrome, unspecified

R96 Other sudden death, cause unknown
DCS.XVIII.11

Excl.:
sudden:
  • cardiac death, so described (I46.1)
  • infant death syndrome (R95.-)
R96.0 Instantaneous death
Incl.:
Sudden unexplained death in adult
Excl.:
Sudden death of known aetiology (A00.0-Q99.9, U04.9, V01.0-Y89.9)
R96.1 Death occurring less than 24 hours from onset of symptoms, not otherwise explained
Incl.:
Death known not to be violent or instantaneous for which no cause can be discovered
Death without sign of disease

R98 Unattended death
DCS.XVIII.11

Incl.:
Death in circumstances where the body of the deceased was found and no cause could be discovered
Found dead

R99 Other ill-defined and unspecified causes of mortality
DCS.XVIII.11

Incl.:
Death NOS
Unknown cause of mortality