Final answer:
Z Codes are used in medicine for routine administrative purposes, patient care management, and medical diagnosis.
Step-by-step explanation:
Z Codes are used in medicine for routine administrative purposes, patient care management, and medical diagnosis. They are not used for billing and coding. For example, Z codes may be used to record a patient's history of smoking or to indicate that a patient is in remission from a previous medical condition. These codes provide valuable information to healthcare providers and help to improve patient care.