Coronary vasodilators are used in the treatment of:

Including employers in the standard transaction

a. is not really needed since they are not health plans. b. gives the employer access to PHI of their employees. c. is necessary for Workers' Compensation claims and when verifying enrollment in a plan. d. prohibits employees from enrolling in a group health plan when they change jobs.

Use of the EIN on a standard transaction is required

a. to verify an employee's participation in the group health plan. b. when the sponsor of health plan is a self-insured employer. c. to identify when an employee is enrolled or disenrolled in a health plan. d. to identify the employer of a person covered under a health plan, when the employer is not the sponsor.