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Test Code Rotem Rotem

Performing Laboratory

Memorial Hospital Laboratory- Automated Procedures      304-388-5953       
General Hospital Laboratory 304-388-6244

Specimen Requirements

Whole Blood- Light Blue Top, Sodium Citrate

Draw 2 full, tubes by “clean” venipuncture (no excessive trauma).

Immediately after draw, invert tubes several times to mix blood with additive.

Transport promptly at ambient temperature only.

DO NOT CENTRIFUGE.

Specimen Rejection

  • Improperly labeled, collected, stored, and transported
  • Quantity not sufficient
  • Hemolyzed 
  • Clotted
  • Specimen centrifuged

Storage and Stability

Room Temperature 4 hours
Refrigerated or Frozen Unacceptable

Reference Values

Intem

CT 122-208
CFT 45-110
ALPHA ANGLE 70-81
A20 51-72
MCF 51-72

Extem

CT 43-82
CFT 48-127
ALPHA ANGLE 65-80
A20 50-70
MCF 52-70

Fibtem

A20 7-24
MCF 7-24

Reports are delivered by hand or shuttled to care provider and then attached to chart. 

Methodology

Thromboelastometry

Days Test Set Up and Turnaround

Monday through Sunday, Continuously

AM Collection Expected by 9AM same day
Routine Expected within 24 hrs
Stat Expected within 1 hr
Timed Expected results are test dependant

CPT Coding

85396 per day