Semen analysis through my OBGYN?

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I have an upcoming appointment with my OBGYN to discuss fertility problems (trying for one year, one miscarriage).

Can my obgyn refer my husband for semen analysis or does he have to do it through his doctor / someone who has established him as a patient?

I ask because my appt is next week and my husband can’t get into his PCP until March. We don’t want to wait that long to rule out an easy variable!