Table 1 Respiratory disease codes from the International Classification of Diseases, 9th revision (ICD-9)

   Adult respiratory distress syndrome

   Pulmonary insufficiency following:

   shock

   surgery

   trauma

   Shock lung

    Excludes:

   Adult respiratory distress syndrome associated

   with other conditions (518.82)

   Pneumonia:

   aspiration (507.0)

   hypostatic (514)

   Respiratory failure in other conditions (518.81)

518.81

Respiratory failure

   Respiratory failure:

   NOS

   acute and/or chronic

    Excludes:

   Acute respiratory distress (518.82)

   Respiratory arrest (799.1)

   Respiratory failure, newborn (770.8)

518.82

Other pulmonary insufficiency, not elsewhere classified

   Acute respiratory distress

   Acute respiratory insufficiency

   Adult respiratory distress syndrome (NEC)

    Excludes:

   Adult respiratory distress syndrome following trauma

   and surgery (518.5)

   Pulmonary insufficiency following trauma and

   surgery (518.5)

   Respiratory distress:

   NOS (786.09)

   newborn (770.8)

   syndrome, newborn (769)

   Shock lung (518.5)

96.70

Continuous mechanical ventilation of unspecified duration

96.71

Continuous mechanical ventilation for < 96 h consecutively

96.72

Continuous mechanical ventilation for ≥96 h consecutively