A provider that is not an anesthesiologist, such as a pediatrician, should use the new moderate sedation codes (99143 – 99150) to capture the charge for the procedure’s base units. These codes eliminate any need to bill extra units. You should ignore billable units and use new time-based codes instead. For example, a 4 year old presents for an MRI performed by a radiologist. A pediatrician provides moderate sedation throughout the procedure. The sedation lasts for thirty minutes. Before, you would have coded this sedation by with anesthesia code 01922. Because this procedure has seven base units and 2 time units, you would have billed 01922 x 9. On new …