Collect

One 2.7 mL Sodium Citrate (Blue) Tube

Inpatient Collection

Use only for standard (IV) 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

The therapeutic range for unfractionated heparin, all indications, is 0.3-0.7 Unit/mL Anti-Xa activity.  This range has been adopted using the "CHEST 2012 Antithrombotic Therapy and Prevention of Thrombosis", 9th Edition, ACCP Guidelines.

CPT Codes

85520

Collection

Collect

One 2.7 mL Sodium Citrate (Blue) Tube

Inpatient Collection

Use only for standard (IV) 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

The therapeutic range for unfractionated heparin, all indications, is 0.3-0.7 Unit/mL Anti-Xa activity.  This range has been adopted using the "CHEST 2012 Antithrombotic Therapy and Prevention of Thrombosis", 9th Edition, ACCP Guidelines.

Administrative

CPT Codes

85520