Stability of FK506 (tacrolimus) in whole-blood specimens.

tests requiring EDTA tubes are or#{149} Day 0 represents the day that the sample was aliquoted and the aliquots were placed at the indicated dered simultaneously. Although we temperatures. Onginalvalues,obtained 0-5 days prior to aliquoting, were all the same as the day 0 value. speciQy that these specimens be shipped on solid 002, samples are often at ambient temperature during All samples were stored at 4 ‘C until aliquoted on day 0.