Friday, May 14, 2010

Anesthesia Billing and coding

Billing Instructions

Claims must be submitted on the claim Form CMS-1500 or electronic media claim equivalent.

The following are specific to anesthesia claims submission:

• Item 24D – the appropriate anesthesia modifier must be reported
• Item 24G – the actual anesthesia time, in minutes, must be reported.

Modifiers

Anesthesia modifiers must be used with anesthesia procedure codes to indicate whether the procedure was personally performed, medically directed, or medically supervised.

AA  - Anesthesia services personally performed by the anesthesiologist
AD  - Medical supervision by a physician; more than four concurrent anesthesia services
G8 -  Monitored anesthesia care (an informational modifier, does not affect reimbursement)
G9 -  MAC for at risk patient (an informational modifier, does not affect reimbursement)
QK -  Medical direction of two, three or four concurrent anesthesia procedures involving qualified individuals
QS -  Monitored anesthesia care (an informational modifier, does not affect reimbursement)
QX -  CRNA service with medical direction by a physician
QY -  Medical direction of one CRNA by a physician
QZ -  CRNA service without medical direction by a physician

NOTE: Medicare does not recognize Physical Status P modifiers.

NOTE : Modifier QS versus Modifiers G8 or G9 should be used for Monitored Anesthesia Care.

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