Final answer:
Kayleigh is employed in the Health Information Technology (HIT) sector, where her primary duties as a medical coder involve managing electronic health records and ensuring compliance with legal standards for medical records.
Step-by-step explanation:
Kayleigh works in the field of Health Information Technology (HIT). As a medical coder, her main responsibility is to maintain and organize electronic health records, ensuring the accuracy and security of patient information. This task also involves assisting healthcare providers in adhering to legal standards concerning medical records. HIT professionals play a crucial role in the management of healthcare data and the smooth operation of the healthcare system.