ILL-DEFINED AND UNKNOWN CAUSES OF MORBIDITY AND MORTALITY (797-799)
Senility without mention of psychosis
Sudden death, cause unknown
Other ill-defined and unknown causes of morbidity and mortality
797 Senility without mention of psychosis
Old age
Senescence
Senile asthenia
Senile:
debility
exhaustion
Excludes: senile psychoses (290.0-290.9)
798 Sudden death, cause unknown
798.0 Sudden infant death syndrome
Cot death
Crib death
Sudden death of nonspecific cause in infancy
798.1 Instantaneous death
798.2 Death occurring in less than 24 hours from onset of symptoms, not otherwise explained
Death known not to be violent or instantaneous, for which no cause could be discovered
Died without sign of disease
798.9 Unattended death
Death in circumstances where the body of the deceased was found and no cause could be discovered
Found dead
799 Other ill-defined and unknown causes of morbidity and mortality
799.0 Asphyxia
Excludes: asphyxia (due to):
carbon monoxide (986)
inhalation of food or foreign body (932-934.9)
newborn (768.0-768.9)
traumatic (994.7)
799.1 Respiratory arrest
Cardiorespiratory failure
Excludes: cardiac arrest (427.5)
failure of peripheral circulation (785.50)
respiratory distress:
NOS (786.09)
acute (518.82)
following trauma or surgery (518.5)
newborn (770.89)
syndrome (newborn) (769)
adult (following trauma or surgery) (518.5)
other (518.82)
respiratory failure (518.81, 518.83-518.84)
newborn (770.84)
respiratory insufficiency (786.09)
acute (518.82)
799.2 Nervousness
"Nerves"
799.3 Debility, unspecified
Excludes: asthenia (780.79)
nervous debility (300.5)
neurasthenia (300.5)
senile asthenia (797)
799.4 Cachexia
Wasting disease
Excludes: nutritional marasmus (261)
799.8 Other ill-defined conditions
799.9 Other unknown and unspecified cause
Undiagnosed disease, not specified as to site or system involved
Unknown cause of morbidity or mortality