Your question has been fully answered that you had no risk. We are now closing this thread.
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DNA PCR is not an approved diagnostic test. Moreover, as suggested by everyone else, you weren't at risk in order to warrant testing.
You have ignored each advice offered to you, testing is absolutely waste of time and money, you might want to see a counselor for seeking help with your anxiety for a long-term solution to your problem, which offcourse is not HIV. I repeat, you weren't at risk.
Further answers are not necessary as Chima offered the correct answer. No risk, no test. There's nothing more to say.
In the history of HIV , no one has ever been confirmed to have been infected by receiving oral sex. You will not be the first. This means that you have no reason to get tested.
In an adult, the only confirmed risks for HIV infection is unprotected anal or vaginal sex and sharing drug injection needles with infected users.