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Test Code TEGHP TEG heparin

Important Note

For patients receiving heparin therapy (cardiopulmonary bypass, ECMO, other complicated patients on heparin drips)

Specimen Type

Whole Blood

Container/Tube

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

Offsite Collection Instructions

sing 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

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

TEG Kaolin post Heparinase: R-time,
K-time, Angle, MA and
LY30

 

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 one 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,cardiopulmonary bypass, ECMO

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 × 2 and 85525

Method Name

Thromboelastography

Reference Values

Kaolin Normal Ranges:

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%

Kaolin Heparinase Normal Ranges:

R-time: 4.0-8.4 minutes

K-time: 1.0-2.4 minutes

Angle: 57.0-72.0 degrees

MA: 55.0-72.0 mm

LY30: 0.0-5.0%