@Designerenvy, sorry just checking in now.
Since reading your updates, the anxiety she's feeling sounds perfectly normal, and her "rituals" are a coping mechanism, because she realises that there is so much she can't control in life.
Please be thankful that her coping mechanisms are manifesting in this way, I say that, because I was your daughters age when my "coping technique" was controlling what I could, my food intake. It was and still can be a long hard battle with anorexia...
Yes, it would ordinarily be CBT, which is most effective with a trained therapist, but there is information, self help books and apps online which may help your daughter in the interim period.
Being diagnosed with OCD is a long process, which can only be done by a psychiatrist. in my experience they want to medicate, medicate, medicate but CBT for anxiety, ritualistic behaviour, and learning how to deal with her feelings can be done by a psychologist, psychiatric nurse (often there will be a community mental health team) or in some cases group therapy sessions (I found this option worked best for my eating disorder, but I was 18 by then, and 6 years of starvation almost killed me) it was during the group therapy that the councillor realised how much my OCD "traits" were impacting on my life, and recommended that I returned to the psychiatrist. By 21 the diagnosis was confirmed, so as I said, it takes a long time.
Good luck, and I'm here if you want to talk more... 