All Chemistry and Hematology tests are located in the Alphabetical Test Directory. DAILY TESTING Routine TAT: Acute Care Sites - within 4 hrs from time specimen is received in lab to time result is verified. Community Sites - within 24 hrs from time specimen is ordered at PSC to time result is verified. For analytes that are not tested on a daily basis, select from Alphabetical Test Directory, see above, for testing frequency.