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Heparin Level Unfract (HEPUF)

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EPIC Test Name

ANTI-XA UNFRACTIONATED HEPARIN LEVEL

EPIC Code

LAB6412

Specimen Requirements

Plasma
Minimum Volume:2.7 mL
Collection:Collect using standard laboratory procedures. Tubes must be full to obtain proper blood to anticoagulant ratio or the specimen will be rejected.
Transport:Specimens scheduled to arrive in the lab in less than 60 minutes should be sent at room temperature. Platelet poor specimens should be frozen before transport and placed in an insulated container on dry ice to ensure that the specimen does not thaw.
Stability:Room temp: 1 hour unspun
2 hours spun
Frozen: 2 weeks at -20 C
6 months at -70 degrees C
Container:Light-blue top (3.2% sodium citrate)
Processing/Storage:Specimens that cannot reach the lab within the time frame should be double spun at 2500 g for 15 minutes to obtain platelet poor plasma. 0.5mL aliquots should be frozen in plastic at -20 degrees C.
Rejection Causes:Clotted
Insufficent Sample Volume

Methods

Automated chromogenic assay.

Turnaround Time

SpecimenTurnaround TimeFrequency
PlasmaStat : 45 minutes Routine: 2 hours24/7

Reference Ranges

Automated chromogenic assay.
All RangeUnitCritical Values
Reference Range dependent on patient diagnosisIU/mL>1.1 U/mL

Common Synonyms

Heparin Level Unfractionated

Performed

Lab
Hematology - Community
Hematology - Downtown

CPT

85520

LOINC

3274-8

Contact Information

Hematology - Downtown: (315)464-4460
Hematology - Community: (315)492-5531
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