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