
A
5200 Harry Hines Blvd.
,
Dallas
,
TX
75235
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General Information
Alias: Rotem
Performed: 24/7
Turn Around Time: 1 hour
CPT Codes: 85396
Performed By: Rapid Response Lab
Notes:
The APTEM assay is a semi-quantitative in vitro diagnostic assay used on the ROTEM® delta Thromboelastometry System to monitor the clot firmness of citrated whole blood specimens after blocking hyperfibrinolysis by aprotinin. Coagulation evaluations with the ROTEM® delta system are commonly used to assess clinical conditions in organ transplantation, cardiovascular surgery, cardiology procedures and trauma to assess post-operative hemorrhage and/or thrombosis.
Clinical Utility: Please note that the reference ranges for the EXTEM test can be applied to this assay.
Link:
ROTEM Algorithm Chart
Unacceptable Conditions: Patients less than 21 years of age.
Components
Name |
Method |
Sex |
Age Range |
Ref. Range Low |
Ref. Range High |
Units |
CT (Clotting Time)
|
Thromboelastometry |
|
|
43 |
82 |
sec |
CFT (Clot Formation Time) |
Thromboelastometry |
|
|
48 |
127 |
sec |
alpha-angle |
Thromboelastometry
|
|
|
65 |
80 |
degrees |
A20 |
Thromboelastometry
|
|
|
50 |
70 |
mm |
MCF (Maximum Clot Formation) |
Thromboelastometry
|
|
|
52 |
70 |
mm |
Specimen Requirements
Type |
Container |
Volume |
Units |
Collection / Delivery |
Storage / Transport |
Off Campus |
Blood |
Blue 3.2% Na Citrate, 3 ml
|
Draw to fill line |
|
After collection send immediately using tube station speed dial "Blood Gas/Rotem". Do not spin. |
Room Temperature |
Do Not Collect |