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 operating system on PC? An operating system (OS) is an interface between hardware and user which is responsible for the management and coordination of activities and the sharing of the resources of aâ¦ computer, that acts as a host for computing applications run on the machine.