Note that this program makes use of the getchar() function, which reads a single character of input and returns that character as the value of the function. If there is an error reading the character, or if the end of input is reached, getchar() returns a special value, represented below by .
1 Short description: Anemia NOS. 2  ICD-9-CM 285.9 is a billable medical code that can be used to indicate a diagnosis on a reimbursement claim, however, 285.9 should only be used for claims with a date of service on or before September 30, 2015.
Date of Service â includes the day and month of service so plans and issuers understand the order in which items or services are rendered. ICD-9 Diagnosis Code â includes the ICD-9 code for each item or service.