Colorectal cancer screening test is converted to diagnostic test or other procedure.

Guidelines and Instructions

  • Submit this modifier with the appropriate CPT code for colonoscopy, flexible sigmoidoscopy or barium enema when the service is initiated as a colorectal cancer screening service but becomes a diagnostic service
  • This modifier is valid for CPT codes 10000 through 69999
  • The Part B deductible does not apply to these services

Reference: MLN Matters article MM7012 (PDF, 109 KB).

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