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CLS Laboratory Test Menus & Laboratory Services

  • CLS tests and services are listed on the CLS website.

  • Users are strongly encouraged to routinely use the CLS website (Guide to  Laboratory Services) at for the most up-to-date information on tests and services.

  • Stat lists are standardized across CLS but tests and turn-around-time (TAT) targets differ between acute care sites and community sites. For additional information on stat tests, see Stat Testing  Although most testing of specimens occurs at the originating hospital location, certain specialized or high volume testing occur off-site, such as for microbiology.

  • Stat specimens must be transported to the lab as soon as possible, especially tests performed at a different site (such as microbiology tests).  Courier services transport specimens to off-site testing locations.