Low molecular weight heparin

Alphabetical Test listing

Low molecular weight heparin-2281

  
Low molecular weight heparin
  
2281
  
85520.1
  
LMH
  
Anti Xa
Dalteparin
Enoxaparin
Factor Xa
Fragmin
Lovenox
LMWH
  
Sodium citrate (Na cit) plasma
  

Lt blue Sodium citrate (NaCit) - 2.7mL

If the patient has a hematocrit >55, a specially prepared Lt blue Sodium citrate (NaCit) tube must be used in place of the standard Lt blue Sodium citrate (NaCit) tube.

Hematocrit-Anticoagulant adjustments

 

  
1.5 mL
  
0.6 mL
  
  • Collect specimen 4 hours post dose
  • Do not over or under fill the tube as the ratio of anticoagulant to whole blood is critical for accurate results

Coag – tube fill guideline

  • Mix by gently inverting the tube 3 - 4 times
  
  1. Process platelet poor plasma (P.P.P) within one hour of collection

  2. Transfer plasma into an aliquot tube and apply a spot label "NaCit Plasma P.P.P"

  3. Freeze immediately
  

Microcentrifuge vial/tube in a Snap cap conical vial/tube and cap (Beaker sites)

                      

 

Coagulation specimen transport vial/tube  (all other sites)

  
Sodium citrate (Na cit) whole blood - STAT testing requests only
  

Plasma (routine testing):

Frozen (strict) - 2 weeks

Refrigerated - NO

Whole blood (STAT testing requests only):

Ambient

  • Whole blood, unopened - 1 hr
  • Centrifuged plasma on the cells - 2 hours
  
  • Specimen collected in Greiner tube(s)
  • Improper labeling (unlabeled or mislabeled)
  • Improper anticoagulant
  • Improperly filled tube
  • Hemolysis
  • Clotted specimen
  • Delay in transport
  • Improper storage/transport temperature
  • Patient on heparin > 1.0 IU/mL
  
AHL - Coagulation: W
Available at Central Lab, Mercy and United Hospitals
  
Daily
  
1 day
  

Chromogenic

  

Reference range: ≤ 2.0 IU/mL
Prophylactic range (peak): 0.1 - 0.3 IU/mL
Therapeutic range (twice daily dosing): 0.6 - 1.0 IU/mL
Therapeutic range (once daily dosing): 1.0 - 2.0 IU/mL

  

> 2.00 IU/mL

  
85520
  
11/14/2003
  
01/13/2021
  
02/18/2020