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Rotem
Test Code85396
CPT Codes
85396
Includes
The Rotem test includes three modules.
INTEM: Module that monitors the intrinsic pathway.
EXTEM: Module that monitors the extrinsic pathway.
FIBTEM: Module that monitors clot formation after blocking the contribution of platelets.
Two other modules may be included either at physician request or laboratory discretion.
APTEM: Module that monitors clot formation after blocking hyperfibrinolysis by aprotinin. Must be performed in conjunction with the EXTEM.
HEPTEM: Module that monitors the intrinsic pathway after inactivating heparin via heparinase. Must be performed in conjunction with INTEM.
INTEM: Module that monitors the intrinsic pathway.
EXTEM: Module that monitors the extrinsic pathway.
FIBTEM: Module that monitors clot formation after blocking the contribution of platelets.
Two other modules may be included either at physician request or laboratory discretion.
APTEM: Module that monitors clot formation after blocking hyperfibrinolysis by aprotinin. Must be performed in conjunction with the EXTEM.
HEPTEM: Module that monitors the intrinsic pathway after inactivating heparin via heparinase. Must be performed in conjunction with INTEM.
Instructions
Container/Tube: Light blue-top (citrate) - Grossly hemolyzed, clotted, spun, or insufficient specimens are not acceptable.
Specimen Volume: Full tube
Collection Instruction: Blood to anticoagulant ratio is critical. Underfilled tubes cannot be accepted.
Notes: 1. Tube cannot be accepted if it has been centrifuged. 2. Tube should remain stoppered. 3. Specimen cannot be drawn from a heparinized line.
These tubes cannot be accepted if they have been centrifuged. When received, please log in and take directly to hematology. Do not add this test to PTs or PTTs already in-lab without confirming that they have not yet been spun.
Specimen Volume: Full tube
Collection Instruction: Blood to anticoagulant ratio is critical. Underfilled tubes cannot be accepted.
Notes: 1. Tube cannot be accepted if it has been centrifuged. 2. Tube should remain stoppered. 3. Specimen cannot be drawn from a heparinized line.
These tubes cannot be accepted if they have been centrifuged. When received, please log in and take directly to hematology. Do not add this test to PTs or PTTs already in-lab without confirming that they have not yet been spun.
Transport Temperature
Room temperature. Refrigerated or frozen specimens are not acceptable.
Specimen Stability
Room temperature: 2 hours
Refrigerated or frozen specimens are not acceptable.
Refrigerated or frozen specimens are not acceptable.
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Grossly hemolyzed, clotted, spun, or underfilled tubes are not acceptable. Specimens older than 2 hours are also not acceptable.
Methodology
Clot Formation
Setup Schedule
Monday through Sunday
Reference Range
See lab results.
Clinical Significance
This test can provide a qualitative and quantitative overview of a patient's coagulation state. It can be used to assess clinical conditions in organ transplantation, cardiovascular surgery, cardiology procedures, and trauma situations.
Performed By
CoxHealth
