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Test Code LAB3560 THROMBOELASTOGRAPH

Important Note

This test requires a separate blue top collected just for this test.

UVMMC: This test must be collected at the Main Campus, 111 Colchester Avenue, Burlington, VT.

This test is subject to reflex testing, see Laboratory Reflex Testing Policy, you have the option to decline reflex testing if you believe it is not medically necessary. if the thrombelastograph assay has an R-value of >10 seconds TEG Heparinase (Additional CPT’s billed: 85347, 85384 x 2, 85390, 85576) will be performed.
Phlebotomy or Operating Room collections require a separate blue top tube for testing. This test must be collected at the Main Campus only. The testing must begin within 2 hours. Samples are drawn through a 19-21 gauge butterfly needle. Collect a discard tube of 3 mL of blood prior to collection of the blue top tube. Keep blue top tube capped and at ambient temperature, do not spin. Collection time must be documented on the tube.

Additional Codes

Orderable Codes:

Epic Code Atlas Code (not ord) Mayo Access ID Order LOINC
LAB3560 TEG N/A 67790-6

Result Component(s):

Reporting Name Epic Code Atlas Code Mayo Access ID Result LOINC
Reaction Time 12301002509 TEGR N/A 52789-5
K Time 12301002510 TEGK N/A 52768-9
Angle 12301002511 TEGANG N/A 66748-5
Maximum Amplitude 12301002512 TEGMA N/A 52778-8
Estimated % Lysis 12301002326 EPL N/A 66757-6
Clot Lysis 12301002327 TEGLY N/A 66745-1
Interpretation 12301002328 TEGINT N/A 69049-5
Patient Location 12301002329 TEGPL N/A 56816-2

Specimen Information

Container Specimen Temperature Collect Vol Submit Vol Min Vol Stability
Blue Top Tube Whole Blood Ambient 3.5 mL To fill line 3.5 mL 3.5 mL 2 hours

The sample must be collected at the Main Campus. This test requires a separate blue top collected just for this test. Testing must begin within 2-hours. Samples are drawn through a 19-21 gauge butterfly needle. Collect a discard tube of 3 mL of blood prior to collection of the blue top tube. Keep Blue Top tube capped and at ambient temperature, do not spin. Collection time must be documented on the tube.

Test Schedule / Analytical Time / Test Priority

Daily / 24 Hours / Not available STAT

Method

Thromboelastograph

Instrumentation

Thromboelastograph

Reference Range

See report

Section

Coagulation

Performing Location

University of Vermont Medical Center

Is the UVMMC lab NY State Certified to perform this testing?  Yes/No

Yes

CPT Code(s)

Description CPT Code
Activated Coagulation time 85347
Fibrinogen Activity 85384 × 2
Fibrinolysis or Coagulopathy Screen 85390
Platelet Aggregation 85576
Interpretation 85390.26 or 85396