ILL-DEFINED AND UNKNOWN CAUSES OF MORBIDITY AND MORTALITY (797-799)
799 Other ill-defined and unknown causes of morbidity and mortality
799.0: Asphyxia and hypoxemia
Excludes:
asphyxia and hypoxemia (due to):
carbon monoxide (986)
hypercapnia (786.09)
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 (518.52)
newborn (770.89)
syndrome (newborn) (769)
adult (following trauma or surgery) (518.52)
other (518.82)
respiratory failure (518.81, 518.83-518.84)
newborn (770.84)
respiratory insufficiency (786.09)
acute (518.82)
799.2: Signs and symptoms involving emotional state
Excludes:
anxiety (293.84, 300.00-300.09)
depression (311)
799.3: Debility, unspecified
Excludes:
asthenia (780.79)
nervous debility (300.5)
neurasthenia (300.5)
senile asthenia (797)
799.4: Cachexia
Wasting disease
Code first underlying condition, if known
799.5: Signs and symptoms involving cognition
Excludes:
amnesia (780.93)
amnestic syndrome (294.0)
attention deficit disorder (314.00-314.01)
late effects of cerebrovascular disease (438)
memory loss (780.93)
mild cognitive impairment, so stated (331.83)
specific problems in developmental delay (315.00-315.9)
transient global amnesia (437.7)
visuospatial neglect (781.8)
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

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