Anesthesiologist and CRNA required modifiers

Required Modifiers

Required Modifiers for  Anesthesiologist    Description     Reimbursement

AA Anesthesia services personally performed by anesthesiologist
100 percent of allowable amount


AD Medical supervision by a physician, more than four concurrent anesthesia
procedures
Max 3 base units + time units) effective 10/1/2014 date of service


QK Medical direction of two, three or four concurrent anesthesia procedures
50 percent of allowable amount effective 10/1/2014 date of service


QY Medical direction of one C.R.N.A by anesthesiologist
50 percent of allowable amount effective 10/1/2014 date of service


Required Modifiers For CRNAs

QX Qualified non-physician anesthetist with medical direction by physician.
80 percent of the payment made for the QK or QY claim effective 10/1/2014 date of service

QZ CRNA service, without medical direction by anesthesiologist
80 percent of allowable amount effective 10/1/2014 date of service