CPT Modifier 63

Procedures performed on infants less than 4 kg.

  • 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

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