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Anesthesia Coding Flashcards

7 cards from real CPC practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

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  1. An anesthesiologist who personally performs anesthesia services appends which modifier?

    Answer: AA

    Modifier AA indicates anesthesia services personally performed by an anesthesiologist, distinguishing it from medically directed or supervised cases.

  2. Modifier QK is used when an anesthesiologist:

    Answer: Medically directs 2–4 concurrent CRNA cases

    QK indicates medical direction of 2–4 concurrent qualified non-physician anesthesia services, typically yielding 50% of the allowed amount per directed case.

  3. An anesthesiologist who medically supervises more than 4 concurrent anesthesia procedures reports modifier:

    Answer: AD

    Modifier AD is used when an anesthesiologist medically supervises more than 4 concurrent anesthesia procedures, which typically limits reimbursement to 3 base units per case.

  4. When calculating anesthesia time units for a 45-minute procedure (1 unit per 15 minutes), how many time units are reported?

    Answer: 3 units

    At one unit per 15 minutes, 45 minutes equals exactly 3 time units (45 ÷ 15 = 3).

  5. Anesthesia code selection is primarily based on:

    Answer: The surgical procedure being performed

    Anesthesia codes are selected based on the surgical procedure performed and its anatomical site, regardless of which type of anesthesia is used.

  6. Qualifying circumstance code 99140 applies to anesthesia complicated by:

    Answer: Emergency conditions

    Code 99140 is reported for anesthesia complicated by emergency conditions, adding one qualifying unit to the total anesthesia formula.

  7. A CRNA working under the medical direction of an anesthesiologist appends which modifier?

    Answer: QX

    QX is appended by the CRNA when working under an anesthesiologist's medical direction, paired with the anesthesiologist's QK modifier on their separate claim.