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.
Acute upper respiratory infections. This section of the ICD 10 Clinical Modification (diagnosis) codes, within the Diseases of the respiratory system chapter, pertains to Acute upper respiratory infections. Pay close attention to any notes, Include / Exclude codes, and any other special notations when indicated.