DALLAS, November 1, 2011 /PRNewswire/ -- ReportsnReports adds 'Mass Spectroscopy for Clinical Laboratory Analysis' to its store.

A measured or observed laboratory test result from a person (usually a patient) is compared with a reference interval for the purpose of making a medical diagnosis, therapeutic management decision, or other physiological assessment.

Clinical and Laboratory Standards Institute (CLSI, formerly NCCLS) recently published a new edition of its document, Toxicology and Drug Testing in the Clinical Laboratory; Approved Guideline--Second Edition (C52-A2).