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.
Cerebrum: Much of your brain function takes place in the cerebral cortex, or outer layer of the cerebrum. It's the assembly line of human thought where all the heavy work gets done. Left hemisphere: Controls your concrete side: speech, writing, language, and calculation.he cerebrum is divided into the left and right cerebral hemispheres. The right hemisphere controls the muscles on the left side of the body. The left hemisphere controls the muscles on the right side of the body.