Final answer:
A charge is the data entry posted to a patient's account that increases the account balance, reflecting the cost of healthcare services received.
Step-by-step explanation:
The type of data entry that is posted to a patient's account and results in an increase or addition to the account balance is known as a charge. This can occur when the patient receives healthcare services, and the provider adds the cost of these services to the patient's account. It's essential for healthcare management professionals to accurately record charges to ensure proper billing and account management.