clinical code sets terminologies and classifications are alike or different

Project instructions:
Research how clinical code sets (terminologies and classifications) are alike or different. You will select one classification and one terminology:

Clinical code sets CPT-4, and
Clinical code sets terminologies SNOMED

provided in the readings to focus on for this unit’s Comparison of Classification and Terminology Systems assignment

Resources:
http://www.fda.gov/forindustry/datastandards/default.htm
http://jamia.bmj.com/content/7/3/298.full.pdf+html
http://www.phdsc.org/standards/health-information/D_Standards.asp
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC61433/