3 times the normal for a woman still may be not too high. Different labs have varying ranges of what they consider normal with values ranging from the low 200s to over 1200 ng./dl. considered normal for men and from 15 to 70 ng./dl. considered normal for women.
Also, many women take T to increase their sex drive, so her levels may be due to medications.
She does seem to have several secondary physical characteristics that would appear to me masculine, so I believe the possibility of her being intersex is high.
In that case, this is all the more horrible for her, for she may discover things about herself she never knew. And our culture is still uncomfortable in dealing with the issue of intersex.