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HelpTest Code INTEM Thromboelastometry, INTEM and HEPTEM
Specimen Requirements
Specimen Type: Whole Blood
Container/Tube: 1 Light Blue Top (3.2% Sodium Citrate)
Volume: 2.7mL Whole Blood (Tubes must be full)
Collection Instructions: Hand deliver whole blood specimen to laboratory immediately. Do NOT send whole blood specimen via pneumatic tube.
Reference Interval
| Parameters | Reference Interval for Adults | Units |
|---|---|---|
| INTEM, CT | 156-223 | sec |
| INTEM, CFT | 56-114 | sec |
| INTEM, Alpha Angle | 67-78 | Degree (°) |
| INTEM, A5 | 35-53 | mm |
| INTEM, A10 | 45-62 | mm |
| INTEM, A20 | 52-68 | mm |
| INTEM, A30 | Not available | mm |
| INTEM, MCF | 53-69 | mm |
| INTEM, LI30 | 97-100 | % |
| INTEM, LI45 | Not available | % |
| INTEM, LI60 | Not available | % |
| INTEM, ML | 4-17 | % |
| HEPTEM | Not available. To be Interpreted with INTEM. |
Days and Times Performed
Monday through Sunday, 08:30am to 08:00pm
Methodology
Viscoelastic
Service Code
12510
Update
03/05/2022
Updated on reference interval & days and times performed.
Unacceptable Condition
| Haemolysis | NA |
|---|---|
| Icterus | NA |
| Lipaemic | NA |
| Others | Clotted or insufficient reject |
Specimen Stability
| Specimen Type | Whole Blood |
|---|---|
| Ambient | Up to 4 hours |
| Refrigerate | NA |
| Frozen | NA |
Testing Laboratory
National University Hospital
Haematology, 67725320
Useful For
Assessment of the intrinsic coagulation pathway and heparin-independent assessment of intrinsic coagulation pathway
Alias
Rotem