Skip Ribbon Commands
Skip to main content
Menu

Anti Xa UFH

Test Code:

CG0011

Synonym(s):

Specimen Container

Sodium Citrate Tube

Specimen Requirement

Citrated Whole Blood
Adult: 2 mL
Paediatric and Neonate: 1 ml

- Gently invert the tubes several times to prevent clotting. Clotted specimen is not suitable for testing.

- To collect blood to the designate marking. Over or under filling will compromise the test results.

- When using a winged blood collection set for venipuncture and a coagulation tube is the first tube drawn, draw a discard tube first.

- When obtaining specimens from indwelling lines that may contain heparin, the line should be flushed with 5mL of saline; and the first 5mL of blood or 6-times the line volume (dead space volume of the catheter) be drawn off and discarded before the coagulation tube is filled.

- For those samples collected from a normal saline lock (capped off venous port) twice the dead space volume of the catheter and extension set should be discarded.

Specimen Storage / Transport

​Send to laboratory as soon as possible after blood collection. Do not send in ice.

Method

 

Orderable as STAT?

Approval from Haematologist is required for test request after operating hours.

Turn Around Time

Routine: 2 - 3 hrs

Reference Value(s)

Therapeutic range: 0.3 - 0.7 IU/mL

Therapeutic ranges adopted from KKH Adult and Paediatric Anticoagulation Guidelines and Enoxaparin Prescribing Information.

Testing Laboratory Location

KKH

Laboratory

Haematology

Contact Number

6394 1373

Day and Time Performed

Mon – Fri: 0800 hrs– 1700 hrs

Orderable on CPOE?

Yes. The correct type of Anti-Xa test (LMWH or UFH) must be requested in the CPOE order according to the heparin in use. The Laboratory or Clinical Haematologist may be consulted for advice if required.

Downtime Form

Additional Information

Approval from Haematologist is required for test request after operating hours.

Coloured plasma may interfere with chromogenic testing. Samples which are haemolysed, lipaemic or icteric will be rejected.

Change History Notes

Others

Keywords

Anti Xa UFH CG0011
TOP
Search Laboratory Tests
Search by Laboratories
Search Alphabetically
# A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
View all

What's New

Sort by :
    About Us
    Patient Care
    Research & Innovation
    Education & Training
    Careers
    Giving
    SingHealth
    SingHealth Duke-NUS
    100 Bukit Timah Road Singapore 229899+65 6-2255 554
    © 2021 SingHealth Group. All Rights Reserved.