HEPARIN (UFH) LEVEL

Test Code
HEPUFH


Alias/See Also
ANTI-Xa


Preferred Specimen
Blood sample collected in 3.2% sodium citrate light blue top tube filled to +/- 10% of draw capacity


Minimum Volume

Tube must be filled to withiin 10% of container volume.




Instructions
3.2% Sodium Citrate light blue tube filled to within 10% of container volume. 
Samples drawn using a winged collection set (butterfly) must use a discard tube prior to filling the blue top tube.  Air must be removed from the tubing to insure the proper blood bolume is obtained in the blue top tube.


Specimen Stability
Test must be completed within 1 hour of collection.


Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Samples that have been refirgerated.
Samples with combined contents from separate, underfilled sodium citrate collection tubes




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.