(3,0)3 CreditsCorequisite(s):HLTH 107 - Pathophysiology, HLTH 109 - Pharmacology. Diagnostic coding is used to identify accurately the reason for the physician service and support the medical necessity of services rendered. This course earmarks the various tables and volumes used, indicates the usage of ICD codes for statistical and tracking purposes, and identifies the unique skill sets specific to the professional coding setting. Emphasis is placed on the principals of coding and classification systems used in the assignment of valid diagnostic and/or procedure codes.