Anesthesia claims are paid based on the following: Time units + Base unit x Anesthesia Conversion factor. Neighborhood uses the Centers for Medicare and Medicaid Services (CMS) base unit values. · Anesthesia Personally Performed by Anesthesiologist or CRNA (AA or QZ Modifier) (Total Time Units + Base Unit) x Anesthesia Conversion Factor x Modifier Adjustment…
Below the time based units for anesthesia services. During the first 4 hours of service, 15 minutes equals 1 unit. If services are provided for longer than 4 hours in one occurrence, each 10-minute period after the initial 4 hours equals 1 unit. A period less than a unit should be rounded up to the…
Anesthesia time is defined as the period during which an anesthesia practitioner is present with the patient. It starts when the anesthesia practitioner begins to prepare the patient for anesthesia services in the operating room or an equivalent area and ends when the anesthesia practitioner is no longer furnishing anesthesia services to the patient, that…
Concurrency is defined with regard to the maximum number of procedures that the physician is medically directing within the context of a single procedure and whether these other procedures overlap each other. Concurrency is not dependent on each of the cases involving a Medicare patient. For example, if an anesthesiologist directs three concurrent procedures, two…
