Which statement is true regarding e-prescribing (eRx)?
a. eRx is available in all EHR systems.
b. CPOE replaces eRx in a certified EHR system.
c. eRx is not required for ARRA incentive payments is the system has CPOE.
d. Incentive payments under ARRA require the provider to use a certified EHR that includes eRx.