Limited scope operator requirements
Didactic education requirement
- The student must complete at least 80 hours of classroom training, which as a graduate, you have your certificate of completion.
Clinical requirement
- The student must complete at least 480 hours of clinical experience under direct supervision of a qualified trainer (supervisor is physically present in the room during the procedure). Use the x-ray checklist our Lead Instructor handed out on day one of your course.
ARRT testing requirement
- The student must obtain a passing score on the ARRT examination for the Limited Scope of Practice in Radiography. A passing score is a score of at least 75% correct on the core module and an average score of at least 75% correct on radiographic procedures. The student will have three attempts to obtain a passing score on the ARRT examination.
- Here is the link for you to register online with CDPHE for your exam:
Timing requirement
- Applicants must submit the application for registration as a limited scope operator within one year upon completion of the education requirements.
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LSO Graduates
We here at LSO Training LLC want to help you succeed in obtaining your Limited Scope X-ray license and are committed to offering our continued services to you.
- If you want job leads from employers who have contacted LSO Training, here is the current list:
- UC Health
- Boulder Ortho Urgent Care
- If you need help with x-ray signoffs, below is a list of our 2026 x-ray lab days:
- Sunday, April 26, 2026
- Sunday, June 28, 2026
- Sunday, August 23, 2026
- Sunday, October 25, 2026
- Please reach out to our administrative assistant, lsotrainingllc@gmail.com for any further questions.



