June 2022
Q. Can bronchoalveolar lavage specimens from multiple lobes be pooled for culture? Can multiple biopsies from the same joint be pooled for culture? Read answer.
Q. We verify our reference intervals with each new reagent lot for coagulation tests (PT, APTT, fibrinogen, and TT). What difference in values between lots necessitates establishing a new reference interval?
A CAP TODAY Q&A from January 2015 mentions limits within 1.5 seconds of each other between new and old reagent lots for human recombinant PT. What about limits for APTT and fibrinogen? Read answer.