A 30-Year-Old Patient Is Diagnosed with a DVT

A 30-year-old patient is diagnosed with a DVT.This is his third episode of DVTs.He is currently hospitalized and receiving heparin therapy.The physician orders a thrombotic risk battery of tests.What is the most appropriate action that the laboratory professional should take?

A) Call the physician and explain that testing will not be accurate during anticoagulant therapy and during the thrombotic episode.
B) Perform the battery of tests in the thrombosis risk profile, but note that results are not reliable.
C) Perform a PT and an APTT, and, if prolonged, refuse to do the testing.
D) Call the physician and explain that this patient is not a candidate for thrombosis risk testing.