Different labs use different brands of tests – some have a much higher range than others. It is NOT a function of you, it is a function of the test brand that is used. Your result is completely normal for someone infected with HSV 1.
Have you received oral sex in your lifetime? If not, then you can be certain your infection is oral. If you have received oral sex, it is not possible to know for sure if your infection is oral or genital, but statistically more likely to be oral.
Have you ever had a sore in your nostril? It can also show up there.