A B C D E F G H I J K L M N O P Q R S T U V W X Y Z #

Heparin Anti-Xa Assay (Lovenox Monitoring), Plasma

Test Code
HFXA


CPT Codes
85520

Preferred Specimen
Draw blood in a light blue-top (sodium citrate) tube. Spin specimen down, remove plasma, spin plasma again, and place 1 mL of plasma in plastic vial.Note: Double-centrifuged specimens are critical for accurate results as platelet contamination may cause spurious results.


Transport Temperature
Frozen


Methodology
Colorimetric

Setup Schedule
Monday through Sunday


Reference Range
Critical values: <0.5 IU/mL or >1.1 IU/mL                      


Performed By
North Mississippi Medical Center Pathology Department

Performing Laboratory
NMMC Pathology Department



The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.