Sign in →

Test Code TEGMT TEG3 Complex-Trauma, MTP, etc.

Important Note

For bleeding patients who will possibly need cryoprecipitate transfusion, > 2 RBC units/hour, and/or MTP activation.

Specimen Type

Whole Blood

Container/Tube

2 light blue top tubes, 3.2% sodium citrate, PROPERLY FILLED
TO
THE FILL
LINE.

Offsite Collection Instructions

Using 21G or larger needle, collect two 2.7 mL light
blue
top tube after 3 mL discard (5 mL discard if from indwelling
catheter). Gently invert (do not shake!) sample tube 5 times.
Sample must NOT be refrigerated or
exposed to excessive heat.
Specimen must reach laboratory within 2 hours of blood
collection.
Test may only be added on to an existing TEG order up to 2 hours
following the time of blood draw.

Turnaround Time

2 hours

Test Includes

1. TEG Kaolin:
R-time, K-time, Angle, MA
and
LY30.

2. Rapid TEG:
ACT, R-time, K-time, angle
and
MA.

3. TEG Functional
Fibrinogen
: MA and
Fibrinogen
Level.

4. Pathologist’s Interpretation: if
selected, will
be resulted into EPIC by the end of the
business day following
TEG
5000 testing.

In instances where more immediate interpretations
may
be
needed, please contact:

Monday – Friday, 8AM – 5PM: Coagulation
Laboratory at
2-1315
All other times:  Laboratory Medicine Resident On-Call
(LMROC)
at Pager 7910.

 

 

 

 

Preferred Volume

2 light blue top tubes

UCMC Collection Instructions

  • Using 21G or larger needle, collect two 2.7 mL light
    blue
    top tube after 3 mL discard (5 mL discard if from indwelling
    catheter). Gently invert (do not shake!) sample tube 5 times.
    Sample must NOT be refrigerated or
    exposed to excessive heat.

  • Send properly labeled specimen (ideally Sunquest label) to
    Coagulation lab (station 904) without delay.

  • Test may only be added on to an existing TEG order
    up
    to 2 hours following the time of blood draw.

Critical Results

N/A

Additional Information

All 3.2% sodium citrate light blue top tubes require a ratio
of
9 parts blood to 1 part anticoagulant (example: a 3.0 mL tube
requires 2.7 mL blood added to 0.3 mL of anticoagulant).

 

Please document any drugs affecting hemostasis as well as
any
recent transfusions/fluid resuscitations in the relevant parts
of
this order in EPIC.

Coverage Information

CMS has established a national
coverage policy (NCD) for
Medicare for this test as of November 25, 2002. Please document
medical necessity. For more details click this
link: 


https://www.cms.gov/medicare-coverage-database/details/ncd-details.aspx?NCDId=80&ncdver=1&bc=AgEAAAAAAAAA
&

Synonyms

Thromboelastograph, TEG, MTP, Trauma

Specimen Minimum Volume

1 light blue top tube

DAY(S) AND TIME(S) PERFORMED

TEG 5000 testing is
performed 24/7 (i.e., all 3
shifts, Monday through Sunday).

Coagulation Laboratory (contact phone # 2-1315) must be
notified
30 minutes ahead of sending sample to laboratory, or run will
be
delayed.

STAT DAY(S) AND TIME(S) PERFORMED

No

CPT

85347, 85374, 85384

Method Name

Thromboelastography, MTP, Trauma,
TEG

Reference Values

TEG
Kaolin:

R-time: 4.0-8.0 minutes

K-time: 1.0-2.1 minutes

Angle: 60.0-73.0 degrees

MA: 57.0-74.0 mm

LY30: 0.0-5.0%

 

Rapid TEG:

TEG
ACT:
74-128 seconds

R-time: 0.2-0.9 minutes

K-time: 0.6-1.8 minutes

Angle: 70.0-82.0 degrees

MA: 57.0-72.0 mm

 

TEG
Functional
Fibrinogen:

MA: 13.0-32.0 mm

Fibrinogen Level: 250.0-600.0 mg/dL