The statement in the question is not true, that is to say the answer is false. Whenener the subject of identifying diseases comes into play in the clinical or health or medicine world or settings, the symptom code seldom comes to mind. Symptom code is used with the main or primary or principal diagnosis. There are different coding systems used in the hospital around the world for diagnosis.
Health science professionals use devices like CT scanners, ultrasound machines, and x-ray machines to help them in the RADIOLOGY area of health sciences.