Within ICD-9-CM, you may select codes Home Â» Coding Â» ICD-9-CM: NOS vs. NEC. ICD-9-CM: NOS vs. NEC. By John Verhovshek In Coding. NOS codes are never favored, and claims submitted with such diagnoses may be rejected for lack of medical necessity and/or specificity.
The muscle diagram on InnerBody.com shows the entire human body with a number of specific muscles marked by green dots. The two-dimensional interactive map is divided into a number of muscle areas for closer examination. Areas include the head and neck, chest and upper back, leg and foot, and arm and hand.
The HR diagrams that we studied in Lesson 4 are very useful tools for studying stellar evolution. A typical HR Diagram (e.g., the one for the stars in the cluster M55, below) plots a single point per star to represent that star's color and luminosity (or brightness) as it is observed today. So, you can consider an HR Diagram of that type to represent a snapshot of a moment in the lifetimes of the stars plotted.