Anesthesia modifiers as defined by Medicare, are reimbursed according to the following Modifier Payment Table.
Modifier
|
Description
|
Reimbursement % of Maximum Allowable Fee Schedule
|
AA
|
Anesthesia services personally performed by an anesthesiologist
|
100%
|
AD
|
Medical Supervision by a physician; more than four concurrent anesthesia procedures
|
100%
|
QK
|
Medical direction of two, three, or four concurrent anesthesia procedures involving qualified individuals
|
50%
|
QS
|
Monitored anesthesia care provided by an anesthesiologist
|
100%
|
QX
|
CRNA Service with medical direction by a physician
|
50%
|
QY
|
Medical direction of one CRNA by an anesthesiologist
|
50%
|
QZ
|
CRNA service without medical direction by a physician
|
100%
|
Please note this information may change periodically. |