TEG (Thromboelastograph)

SIM

LAB1122

CPT

85390 

Synonyms

Thromboelastograph 

Specimen Type

Sodium Citrated Whole Blood 

Container

Blue (Full), do NOT collect in low volume (light blue) tubes.

Collection Instructions

Discard tube recommended, send specimen directly to transfusion – cannot be centrifuged. 

Volume

2.7 ml

Additional Information

Specimen musts be tested within 2 hours of collection and cannot be centrifuged prior to analysis.  Notify blood bank at 67655 prior to collection of Rapid TEG specimens to allow for reagent preparation ahead of testing. 

Patient Preparation

Baseline specimen must be obtained prior to any surgical incisions. 
Rewarming specimen = 34-35^oC esophageal temperature at specimen collection. 

Specimen Processing Instructions

Deliver all specimens ASAP directly to transfusion.

Transport Requirements

Room Temperature

Specimen Stability

2 hours 

Rejection Criteria

Improper patient identification, under or overfilled blue tubes, centrifuged blue tubes, specimen greater than 2 hours from collection.

Reference Range

Rate= 5-10 min; Kinetics = 1-3 min; Alpha Angle=53-72; Max. Amplitude=50-70

Critical Value

N/A 

Test Includes

Rate, Kinetics, Alpha Angle, Maximum Amplitude 

Methodology

Thromboelastograph 

Testing Frequency

Daily, Monday – Sunday 

Reviewed By

Michele Earley

Reviewed Date

Supplemental