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.
ICD-10 Corner: Correct Sequencing of Acute Respiratory Failure. If a patient has acute respiratory failure, itâs not uncommon the patient to also have an additional acute condition. For example, the patient may be diagnosed with myocardial infarction, cerebrovascular accident, or aspiration pneumonia in addition to acute respiratory failure.