Test Code SOFT: UFHXA Unfractionated Heparin Anti-Xa Assay, Plasma

Additional Codes

Ordering Mnemonic
EPIC NAME: UNFACTIONATED HEPARIN ANTI--XA
EPIC CODE: LAB20419

Saint Francis Medical Center-Coagulation

Testing for Unfractionated Heparin

Specimen Type: Platelet-poor plasma

Collection Container/Tube: Light-blue top (3.2% sodium citrate) tube; must be filled to line

Submission Container/Tube: Plastic vial

Specimen Volume: 2 mL

Specimen Minimum Volume: 1 mL

Stability: 3 Hours (A); 14 Days (F), if separated and immediately frozen at -20'C

Collection Instructions: Label specimen as plasma.

Whole Blood: Ambient

Plasma: Ambient <3 hours/Frozen >3 hours

Refrigeration not acceptable

Therapeutic range: 0.3-0.7 UI/mL

Monday through Sunday

85520

Mechanical Clot Detection