Referring Physician Resources MRI vs. CT Referral Guide Download PDF RA Insurance List Download PDF RA Covered Locations See our interactive locations/services map here > Current CPT Code List Download PDF ICD-9 Code Look-up Tool Centers for Medicare and Medicaid Services ICD-9 Tool > ICD-10 Code Look-up Tool Centers for Medicare and Medicaid Services ICD-10 Tool > Referring Physicians Survey Take the Survey Now > Get the answers you need, when you need them. Resources for: Patients Physicians Partners