A Patient Who Is Not on Heparin and Has No

Multiple Choice

A patient who is not on heparin and has no history of a factor deficiency has a prolonged partial thromboplastin time (PTT) .Select the test that should be performed next.

A) high-sensitivity C-reactive protein
B) mixing studies for lupus anticoagulant
C) thrombin time (TT)
D) lipid panel