LEVEL II Modifiers – QB, QK, QL,QM, QN, QR, QU, QV, QY, QZ

QB    Physician Providing a Service in a Rural HPSA
QK    Medical Direction of Two, Three or Four Concurrent Anesthesia Procedures Involving Qualified Individuals
QL    Patient pronounced dead (Ambulance)
QM    Ambulance service provided under arrangement by a provider of services
QN    Ambulance service furnished directly by provider of services
QR    Clinical Trial
QU    Physician Providing a Service in an URBAN HPSA
QV    Routine Costs Associated with Clinical Trials
QY    Medical Direction of One CRNA by an Anesthesiologist
QZ    CRNA Services Provided Without the Medical Direction of an Anesthesiologist