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HelpTest Code LAB2017 Unfractionated Heparin
Specimen Requirement
2.0 mL Sodium Citrate plasma
- Centrifuge sample twice and separate plasma
from the
cells
Specimen Stability
Whole Blood: 4 hours at room temperature
Plasma: 2 weeks at -20° C.
Testing Schedule
Daily
Reference Range
0.3 – 0.7 IU/mL Therapeutic Range
Testing Department
Hematology/Coagulation
Method
Chromogenic assay
CPT Code
85520