Identify the Choice That Best Completes the Statement or Answers

Identify the choice that best completes the statement or answers the question.
-Research organizations are permitted to receive

A) a limited data set that has been de-identified for research purposes.
B) IIHI without withholding any information.
C) only IIHI when patients have given written authorization.
D) any PHI a covered entity may choose to send them in relation to the diagnoses they are researching.