Pt was seen on 7/01/09 for scheduled OB visit. Dr. discussed with pt ways to help with her nausea and vomiting. Pt was then sent to hospital for IV hydration. Do we bill a low level office visit for hyperemisis? 99212, 643.03. Pt is disputing visit as prenatal care. We also called in an RX for her vomiting on 7/02/09 and notified the pt.