For example: char a; a= getchar(); The function getchar() reads a single character from the standard input device, the keyboard being assumed because that is the standard input device, and assigns it to the variable a.
This excludes acute and chronic respiratory failure (518.84), acute respiratory distress (518.82), acute respiratory failure following trauma and surgery (518.51), chronic respiratory failure (518.83), respiratory arrest (799.1), and respiratory failure, newborn (770.84). This applies to respiratory failure NOS.
Clinic and found a definition for acute respiratory failure, but I donât see a definition/guideline for 518.5. Any help. would be greatly appreciated. As a general rule, any respiratory failure that occurs after. surgery codes to 518.5 unless the physician specifies an. underlying cause due to a medical condition (e.g., chronic. obstructive pulmonary disease) or medication (e.g., morphine).