ILL-DEFINED AND UNKNOWN CAUSES OF MORBIDITY AND MORTALITY ICD 9 CODES (797-799)


ILL-DEFINED AND UNKNOWN CAUSES OF MORBIDITY AND MORTALITY ICD 9 CODES (797-799)
797       Senility without mention of psychosis                                                                (ICD 9 CM Codes)
Frailty
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                      (ICD 9 CM Codes)
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)
799.01  Asphyxia
799.02  Hypoxemia
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)
799.21  Nervousness
Nerves
799.22  Irritability
Irritable
799.23  Impulsiveness
Impulsive
Excludes: impulsive neurosis (300.3)
799.24  Emotional lability
799.25  Demoralization and apathy
Apathetic
799.29  Other signs and symptoms involving emotional state
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)
799.51  Attention or concentration deficit
799.52  Cognitive communication deficit
799.53  Visuospatial deficit
799.54  Psychomotor deficit
799.55  Frontal lobe and executive function deficit
799.59  Other signs and symptoms involving cognition
799.8    Other ill-defined conditions
799.81  Decreased libido
Decreased sexual desire
Excludes: psychosexual dysfunction with inhibited sexual desire (302.71)
799.82  Apparent life threatening event in infant
ALTE
Apparent life threatening event in newborn and infant
Code first confirmed diagnosis, if known
Use additional code(s) for associated signs and symptoms if no confirmed diagnosis established, or if signs and symptoms are not associated routinely with confirmed diagnosis, or provide additional information for cause of ALTE
799.89  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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