Coagulation Normal Values

Question 1

Bleeding time (Ivy method)

Answer 1

3-10 min

Question 2

Activated partial thromboplastin time (APTT)

Answer 2

30-50 s

Question 3

Prothrombin time (PT)

Answer 3

12-16 s

Question 4

International normalised ratio (INR)

Answer 4

1.0-1.3

Question 5

D-dimer

Answer 5

<500 ng/mL