2015 Cheat Sheet

Dennis Ernst submits a question about specimen collection for PFA-100 assays.

Follow-up comments on PFA-100 specimen collection from Donna Castellone and Drs. Ali-Sadeghi-Khomami and Emmanual Favaloro

George addresses a Consumer Web Forum question about the effects of therapeutic phlebotomy on point of care INR results.

Alan Neal comments on the necessity for clinical consult in interpreting PTT mixing studies, he is concerned for a tendency to generate false positive lupus anticoagulant interpretations.

George discusses whether it remains necessary to adjust the citrate volume for specimens with HCTs &gt ;55%.

Healther DeVries discusses how to develop a reference interval in a multiple-site laboratory system.

Responses from several experts on establishing reference intervals in multiple sites.

A question from Kristi Willams about performing protein C and S antigen separate from the activity assay.

Heather DeVries comments on the action limit that initiates a PTT mixing study.

Summary of October-November 2015 Quick Question, "What PTT value initiates a PTT mixing study in your laboratory?"