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.
Functions of the Muscles. The Human muscular system is made up of a complex network of soft tissues which are called muscles. Muscle tissue is found throughout the human body and it has the following functions; 1  Movement. 2  Skeletal muscles attached to the skeleton move the body by moving bones. Within each skeletal muscle, the muscle fibers are separated into groups. 2  Each group, which resembles a bundle of sticks tied together, is called a fascicle (bundle). 3  Surrounding each fascicle is a layer of fibrous connective tissue called perimysium (around the muscle [fascicle]).