Coding Systems

To see the current Clinical Research Terminology (CRT) Codes, click here.

To see the current Protocol Deviation & Violation (PDV) Codes, click here.

To see the current Clinical Research Service (CRS) Codes, click here.

Clinical Research Assessment (CRA) Codes v1.0 February 20, 2005
This Directory details 141 clinical research assessments that do not have CPT codes. There are over 1,000 Quality-of-Life, Patient-Reported-Outcome, and other assessments that could be used in a clinical trial and that do not have CPT codes, so this coding system needs a lot of work. The most complete listing is at http://www.proqolid.org/. Most of these tests already have acronyms, so those are used instead of numerical codes. Please send suggestions for additions, modifications, clarifications and deletions to the Editor.

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