I took my kitten in for her booster shot and rabies vaccine and scheduled her being spayed. They gave me two prices, one includes "Preanesthetic Profile with Clotting Profile" and another without. ...
p.s. I am so glad the pre-anesthesia bloodwork is available these days. I remember years ago when a couple of people we knew lost beloved dogs that just went in for a spay or neuter. That was heartbreaking.