Anti Xa


Test Name
Anti Xa
Test Code
XA
Specimen Type

Citrate Must be venous or arterial collection, NOT capillary

Minimum Volume
1.4 mL - filled to the line.
Comments

  • MUST specify the type of heparin being administered e.g.UFH - Standard Heparin or LMWH - e.g. Clexane,

  •  Levels taken 4 - 6 hours post dose.  please note time and dose on request if known

  • Must arrive in the laboratory within 1 hr collection.
 

LAB NOTES: 

Add-On Test: Check with RCH Haem; No Add-On for sample >2 hours post collection

RWH Core Lab: Notify RCH Haem of request and despatch.

Drugs monitored and testing sites: 

  1. Unfractionated Heparin (UFH) – In House, RCH

  1. Enoxaparin (Clexane) - In House, RCH

  1. Dalteparin (Fragmin) – In House, RCH

  1. Rivaroxaban (Xarelto) – Sendaway, RMH

RCH Haem Staff:

  • Prepare X1 PPP to be sent next working day (unless urgent)
  • KIMMS XA request - #404 and Add SASAH procedure
  • Notify RMH Haematology 93420 8020  

  1. Apixaban (Eliquis) – Sendaway, RMH

RCH Haem Staff:

  • Prepare X1 PPP to be sent next working day (unless urgent)
  • KIMMS XA request - #404 and Add SASAH procedure
  • Notify RMH Haematology 93420 8020  

  1. Other Anticoagulant not listed above

Seek Clarification from Clinician / Consult Senior Scientist

Assay Performed
Haematology
RCH
9345 4200
Laboratory Hours: 24/7
––
Assay Frequency

As requested

ADAMTS13 Activity