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Test Code CIR Coagulation, Circulating Anticoagulant (Lupus Anticoagulant), Plasma

Performing Laboratory

ChristianaCare-Newark Campus

Methodology

Clot-Based Assay

Includes partial thromboplastin time (PTT), activated; prothrombin time (PT); thrombin time; dRVVT, SCT and mixing studies, if needed.

Reference Values

See individual test listings.

Physician Office Specimen Requirements

Container/Tube:  Two 2.7-mL light blue-top (sodium citrate) tubes
Specimen:  Full tubes - must be filled to exactly 2.7 mL
Collection Instructions: 

Note:  Label tubes with patient’s full name and 1 additional unique patient identifier such as date of birth, medical record number, emergency ID number, or financial number. Date and time of draw, collector’s initials, and type of specimen are also required.

Day(s) Test Set Up

Monday through Friday (Daytime)

Routine Turnaround Time:  1-2 days

STAT Turnaround Time:  2 hours