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Heparin Anti-Xa

Test Name:Heparin Anti-Xa
Epic Order Code:Lab6227
CPT Code:85520
Specimen(s) Type:Plasma; full tube required
Acceptable Container(s): Tube top is blue.
Testing Schedule:24 hours/day, 7 days/week
Turn Around Time:STAT: 1 hour
 Routine: 4 hours
Collection Information:No special patient preparation is required. Tube must be full and collected after another tube. If only collecting a blue top, draw a red top first and discard, then collect the blue top. Invert immediately and gently mix with anticoagulant.
Transport Information:Deliver to the lab at room temperature within 1 hour of collection.
Reference Clients:If unable to deliver within 1 hour, centrifuge, remove the plasma, and freeze.
Causes for Rejection:Improperly labeled, incorrect container, contaminated, insufficient quantity, incorrect/delay in transport, or grossly hemolyzed.
Reference Range:

Low Molecular Weight Heparin therapeutic range: 0.6 – 1.0 IU/mL

Unfractionated Heparin therapeutic range: 0.3 – 0.7 IU/mL