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