Code 92929 is an add-on code so no modifier is needed for the second procedure. Note that the codes indicate that they are for an artery or branch. A second code is not reported for multiple sites of the same artery or branch.
1 C1 and C2 (the first two cervical nerves) control the head. 2  C3 and C4 help control the diaphragm (the sheet of muscle that stretches to the bottom of the rib cage and plays an important role in breathing and respiration).atch Cervical Radiculopathy Video. In addition to the seven cervical vertebrae, cervical anatomy features eight cervical nerves (C1-C8) that branch off of the spinal cord and control different types of bodily and sensory activities. Each cervical nerve is named based on the lower cervical vertebra that it runs between.
The muscles of the head and neck are also controlled by various cranial nerves including the facial nerve (facial expression) and accessory nerve (head and neck movements). Wandering through the neck and torso, the vagus nerve communicates vital information from the brain to the heart and intestines.he nerves of the head and neck include the most vital and important organs of the nervous system â the brain and spinal cord â as well as the organs of the special senses.