Diagnosis Code for Reimbursement Claim: ICD-9-CM 879.8. Code will be replaced by October 2015 and relabeled as ICD-10-CM 879.8. The Short Description Is: Open wound site NOS.
operating system. noun. Definition of operating system for Students. : a program or series of programs that controls the operation of a computer and directs the processing of the user's programs.
What is the uses of OS? An operating system (OS) is a set of programs that manages computer hardware resources, and provides common services for application software. The operating system is the mostâ¦ important type of system software in a computer system. Without an operating system, a user cannot run an application program on their computer, unless the application program is self booting.