Tykerb coverage?

[amyj]

Hi all, I'm new here, so hope I'm doing this correctly.
We found out recently that my 67 year old (young!) mother's breast cancer recurred in her liver. She has started a regimen of herceptin, carboplatin and tamoxofin.
Her oncologist already checked to see if her insurance (Blue Cross) will cover Tykerb, but they said they won't.
Did you have the same issue? If not, do you know why? If you did, how did you end up getting it covered?
Also, do you know of a generic equivalent?

Thanks so much. Best wishes to you very helpful women.

-Amy, daughter to Helen.