What Effect Does the Health Insurance Portability and Accountability Act

What effect does the Health Insurance Portability and Accountability Act of 1996 (HIPAA) have on an employer's right to review an injured worker's medical records?

A) It prevents employers from having any access to employee information.
B) It allows employers to have access to employee medical information, but only after the employee agrees.
C) It allows employers to have minimum necessary access to employee information related to the injury or illness.
D) The act does not apply to workers' compensation at all.