The page below is a sample from the LabCE course Detecting and Evaluating Coagulation Inhibitors and Factor Deficiencies (retired 5/27/2014). Access the complete course and earn ASCLS P.A.C.E.-approved continuing education credits by subscribing online.

Learn more about Detecting and Evaluating Coagulation Inhibitors and Factor Deficiencies (retired 5/27/2014) (online CE course) »
How to Subscribe
Individual course$20Add to cart

Initial aPTT

Immed. aPTT mixing study

Incubated aPTT mixing study

86 sec. (normal range 21-34 seconds)

87 sec.

88 sec.

Is the aPTT in this case corrected or not corrected? Does this support the presence of a factor deficiency or coagulation inhibitor?

Please select the single best answer