According to Dr. Center, these are the breeds highly affected by liver shunts: Yorkshire Terrier, Cairn Terrier, Maltese, Tibetan Spaniels as well as many other "terrier" type breeds (Miniature Schnauzer, Lhasa Apso, Shih Tzu, Dachshund, Bichon Frise, Pekingese, Toy and Miniature Poodles, and Havanese. These are the breeds she recommends routinely have a bile acids test once they are 20 weeks old.
Yorkies are the most affected breed.
Anyway, to answer your question, no, the protocol for Yorkies is no different than for Cairns.