Proper specimen collection for coagulation testing must be performed to eliminate contamination of substances that will interfere with the test results. Which of the following are considered contaminants for coagulation testing?
A) Sodium citrate and heparin anticoagulant
B) Tissue factor and anticoagulant carryover
C) Air and tissue factor
D) High hematocrit and anticoagulant carryover

Question

Quizplus · Accepted Answer

Tissue factor and anticoagulant carryover are both contaminants that can interfere with coagulation testing. Sodium citrate and heparin anticoagulant are actually necessary for proper coagulation testing, and air and high hematocrit are not typically considered contaminants for this type of testing.

Proper Specimen Collection for Coagulation Testing Must Be Performed to Eliminate