Heparin Anti-Xa, Low Molecular Weight Heparin

0030144
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Example Reports
In Range
COMPONENT DESCRIPTION TEST TYPE INFECTIOUS UNIT OF MEASURE NUMERIC MAP LOINC
0030144
Heparin Anti-Xa Lmwh
Resultable
N
U/mL
X.XX
3274-8

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Ordering Recommendation

Monitor treatment efficacy of low molecular weight heparin. 

Mnemonic
HA LMW
Methodology

Chromogenic Assay

Performed

Sun-Sat

Reported

Within 24 hours

New York DOH Approval Status
This test is New York DOH approved.
Specimen Required
Patient Preparation
Collect

Lt. blue (sodium citrate). Refer to Specimen Handling at aruplab.com for hemostasis/thrombosis specimen handling guidelines.

Specimen Preparation

Centrifuge specimen within one hour of collection. Transport 2 mL platelet-poor plasma. (Min: 1.5 mL)

Storage/Transport Temperature

Frozen.

Unacceptable Conditions

Serum. EDTA, oxalate, heparin, or plasma separator tubes. Specimens refrigerated more than eight hours. Hemolyzed specimens.

Remarks

Record heparin type on test request form.  This test cannot be used for Rivaroxaban (Xarelto) or Fondaparinux (Arixtra).

Stability

After separation from cells: Ambient: 4 hours; Refrigerated: 8 hours; Frozen: 2 weeks

Reference Interval

0.50-1.10 U/mL

Interpretive Data

Therapeutic range based on enoxaparin brand low molecular weight heparin.

No compliance statements are in use for this test.

Note
Hotline History
N/A
CPT Codes

85520

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Components
Component Test Code* Component Chart Name LOINC
0030144 Heparin Anti-Xa Lmwh 3274-8
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Aliases
  • Anti-10a
  • Anti-Xa
  • Heparin Anti-Xa Assay
  • Heparin Anti-Xa Assay, Plasma
  • Low-Molecular Weight Heparin Assay
Heparin Anti-Xa, Low Molecular Weight Heparin