Which of the Following Statements Is Not Correct About Coding

Which of the following statements is not correct about coding HIV positivity?

A) Requesting a confirmatory serology or culture for HIV is sufficient to code HIV positivity.
B) When HIV symptoms are not present and serology is inconclusive, code R75 is assigned.
C) Patients who are HIV positive but are currently asymptomatic are assigned code Z21.
D) The provider must state "known HIV" or "positive HIV" in order to code HIV positivity.
E) Patients who have developed an HIV-related illness should be assigned code B20.