Additional File 3:

Billing codes indicating colorectal cancer screening procedures or exclusion criteria. This table presents all of the CPT, HCPCS, and ICD-9 Procedure codes that we applied to our claims data in order to assess the primary outcome of CRC testing and modality used. We present our codes for screening test modality and exclusion reason. This information is provided to support transparency and help others who are doing this work. Because our analysis was on data collected prior to 2014, we did not present ICD-10 Procedure codes in this table but is available from the authors upon request. (DOCX 13 kb