I think there is a basic 'office exam' that is charged by most vets for each office visit. Unless the animal is being seen as a follow up for previous treatment. I wouldn't be concerned if I saw that on my bill.
Hondo Von Dopplet L Bauernhof "Hondo"- GSD
Lilie's Tug McGraw "Tug" - Golden Retriever
Maggie - Mini Dachshund (Rescue)
Lonestar Pivo - Texas Blue Lacy
Ashe - Barn Cat
Katie / APHA