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Thread: Locating Anesthesia Modifiers

  1. #1

    Default Locating Anesthesia Modifiers

    AAPC: Back to School
    I know where these modifiers are in the HCPCS manual. However, if I didn't, how would I locate them? Where is the beginning point? I did not see a reference to these in the index. Can you help?


  2. #2
    Join Date
    Apr 2007


    page 117
    K. Anesthesia Claims Modifiers
    Physicians report the appropriate anesthesia modifier to denote whether the service was personally performed, medically directed, or medically supervised.
    Specific anesthesia modifiers include:
    AA - Anesthesia Services performed personally by the anesthesiologist;
    AD - Medical Supervision by a physician; more than 4 concurrent anesthesia procedures;
    G8 - Monitored anesthesia care (MAC) for deep complex complicated, or markedly invasive surgical procedures;
    G9 - Monitored anesthesia care for patient who has a history of severe cardio-pulmonary condition;
    QK - Medical direction of two, three or four concurrent anesthesia procedures involving qualified individuals;
    QS - Monitored anesthesia care service;
    QX - CRNA service; with medical direction by a physician;
    QY - Medical direction of one certified registered nurse anesthetist by an anesthesiologist;
    QZ - CRNA service: without medical direction by a physician; and
    GC - these services have been performed by a resident under the direction of a teaching physician.
    The GC modifier is reported by the teaching physician to indicate

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