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CPT Modifier 23
Description:
Unusual anesthesia
Guidelines/Instructions:
- This modifier may only be submitted with anesthesia CPT codes 00100 through 01999
- Anesthesiologists, Certified Registered Nurse Anesthetists (CRNAs) or Anesthesiologist Assistants (AAs) should submit this modifier to indicate that a procedure that is normally performed under local anesthesia or with a regional block required general anesthesia
- This modifier is informational only and does not affect reimbursement
- Submit the modifier indicating that the service was personally performed, medically directed or medically supervised first and CPT modifier 23 second