CPT Modifier 63
Procedures performed on infants less than 4 kg.
Guidelines and Instructions
- In general, this modifier may be submitted with CPT codes 20000 through 69990
- This modifier may not be submitted with evaluation and management, anesthesia, radiology, pathology/laboratory services or with codes in the CPT "Medicine" section
- The CPT 2013 Professional Edition, Appendix F (Page 486), lists codes for which CPT modifier 63 may not be reported