Do Anesthesia Codes Require Modifiers?

Modifiers may only be submitted with anesthesia procedure codes (i.e., CPT codes 00100-01999). Note: CPT codes 01995 or 01996 are not recognized for time units and should not be submitted with time units in the quantity billed field.

Do all anesthesia codes need modifiers?

Modifiers are two-character indicators used to modify payment of a procedure code or otherwise identify the detail on a claim. Every anesthesia procedure billed to OWCP must include one of the following anesthesia modifiers: AA, QY, QK, AD, QX or QZ.

What modifier is used with anesthesia codes?

Modifier 23 is used only with general or monitored anesthesia codes (CPT codes 00100- 01999). Modifier 23 is added after the primary anesthesia modifier which identifies whether the service was personally performed, medically directed or medically supervised (Modifiers AA, AD, QK, QS, QX, QY or QZ).