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HelpTest ID FHEP2 Heparin Cofactor II
Specimen Required
Patient Preparation: Do not draw from an arm with a heparin lock or heparinized catheter.
Specimen Type: Citrated plasma
Collection Container/Tube: Light-blue top (citrate)
Specimen Volume: 2 mL
Collection Instructions: Draw blood in a light blue-top (Sodium citrate) tube(s). Spin down and send 2 mL citrated plasma frozen in a plastic vial.
Note: Separate specimens must be submitted when multiple tests are ordered.
Useful For
Assessment of thrombotic risk associated with heparin cofactor II levels.
Method Name
Chromogenic
Reporting Name
Heparin Cofactor IISpecimen Type
Plasma Na CitSpecimen Minimum Volume
1 mL (Note: This volume does not allow for repeat testing.)
Specimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| Plasma Na Cit | Frozen | 180 days |
Reference Values
65-145%
In healthy adults, heparin cofactor II reference range in plasma is 65% to 145%. Plasma levels of heparin cofactor II are approximately 50% of adult levels at birth and reach adult levels at six months of age.
Performing Laboratory
Esoterix CoagulationTest Classification
Results of this test are for research purposes only per the assay manufacturer. The performance characteristics of this assay have not been established. The result should not be used as a diagnostic procedure without confirmation of the diagnosis by another medically established diagnostic product or procedure.CPT Code Information
85130
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| FHEP2 | Heparin Cofactor II | 33987-9 |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| FHEP2 | Heparin Cofactor II | 33987-9 |