Patient Preparation

Samples should be drawn 4 hours after subcutaneous dosing.

Collect

One 2.7 mL Sodium Citrate (Blue) Tube

Inpatient Collection

Use only for low molecular weight (subcutaneous) heparin therapy.

Testing is not currently available to monitor levels of oral Anti-Xa inhibitor therapy, i.e. apixaban.

Unacceptable Conditions

Aliquot type not properly identified; not Frozen; clotted specimen

Storage/Transport Temperature

Separate from cells ASAP. 1 mL plasma Frozen

Stability (from collection to initiation)

Ambient: 4 hrs (2 hrs if spun/uncapped)

Frozen: One week

Performed

Sun-Sat

Remarks

Draw one full light blue top Tube (blood-to-anticoagulant is critical). Refer to the 'Hemostasis/Thromobosis Specimen Collection' link below for processing information. Separate platelet-poor plasma from cells ASAP.

Hemostasis_Thrombosis_Specimen_Collection_7_17_13.pdf 

Department

Coagulation

Performed

Sun-Sat

Methodology

Chromogenic

Interpretive Data

Therapeutic range for Enoxaparin and all low molecular weight heparin:

 

    0.6-1.0 Unit/mL for twice daily dosing
    1.0-2.1 Unit/mL for once daily dosing

 

Samples should be drawn 4 hours after subcutaneous dosing.
For prophylaxis, therapeutic range is 0.1-0.3 Unit/mL.

CPT Codes

85520

Collection

Patient Preparation

Samples should be drawn 4 hours after subcutaneous dosing.

Collect

One 2.7 mL Sodium Citrate (Blue) Tube

Inpatient Collection

Use only for low molecular weight (subcutaneous) heparin therapy.

Testing is not currently available to monitor levels of oral Anti-Xa inhibitor therapy, i.e. apixaban.

Unacceptable Conditions

Aliquot type not properly identified; not Frozen; clotted specimen

Storage/Transport Temperature

Separate from cells ASAP. 1 mL plasma Frozen

Stability (from collection to initiation)

Ambient: 4 hrs (2 hrs if spun/uncapped)

Frozen: One week

Performed

Sun-Sat

Remarks

Draw one full light blue top Tube (blood-to-anticoagulant is critical). Refer to the 'Hemostasis/Thromobosis Specimen Collection' link below for processing information. Separate platelet-poor plasma from cells ASAP.

Hemostasis_Thrombosis_Specimen_Collection_7_17_13.pdf 

Department

Coagulation

Ordering

Performed

Sun-Sat

Methodology

Chromogenic

Result Interpretation

Interpretive Data

Therapeutic range for Enoxaparin and all low molecular weight heparin:

 

    0.6-1.0 Unit/mL for twice daily dosing
    1.0-2.1 Unit/mL for once daily dosing

 

Samples should be drawn 4 hours after subcutaneous dosing.
For prophylaxis, therapeutic range is 0.1-0.3 Unit/mL.

Administrative

CPT Codes

85520