A patient's physician ordered a clot lysis time, involving whole blood dilution. What is the correct CPT code for this test?

Question

Quizplus · Accepted Answer

85175 is the correct code for whole blood dilution clot lysis time.
Code 85170 is incorrect because this code is for clot retraction. Code 85210 is incorrect because this code is for prothrombin clotting factor II. Code 85300 is incorrect because this code is for clotting inhibitors or anticoagulants for antithrombin III activity.

A Patient's Physician Ordered a Clot Lysis Time, Involving Whole