If, after careful study, a physician determines a patientâs underlying cause of chest pain to be angina and the patient has a documented history of CAD, then CAD will be sequenced as the principal diagnosis followed by the appropriate code for the angina (AHA Coding Clinic for ICD-9-CM, 2001, third quarter, page 15).
Not all functions of the hemispheres are shared. In general, the left hemisphere controls speech, comprehension, arithmetic, and writing. The right hemisphere controls creativity, spatial ability, artistic, and musical skills. The left hemisphere is dominant in hand use and language in about 92% of people.
The largest portion of the brainâthe cerebral cortexâhas two hemispheres. The right hemisphere of the brain controls nonverbal communication, emotions and spatial orientation or sense of body position.The left hemisphere of the brain controls the right side of the body and is the brainâs language center.amage to this side of the brain can cause a range of problems in a personâs emotions and behavior. A stroke survivor with right-brain injury may be unaware of his or her impairment and be certain that he or she can perform the same tasks as before the stroke.