Lab Manual Tube Chart Pages
Collection Tube Color
Red/Black
Marble
Tube Name
Serum Seperator
Tube (SST)
Gold
Red/Gray
Marble
Red
Sample Type
Examples of Laboratory
Use*
Chemistry
Serum
Special Instructions
Invert five times. Allow the sample to clot for
20 minutes in an upright position. Centrifuge
for 10 minutes then transfer the serum to a
properly labeled plastic pour-off tube.
Gel Tube
Serology (HIV, Hepatitis,
antibody testing)
Red Top Plain (No
Additive)
Serum
Hepatitis, HIV, Blood
Drug Screens,
Therapeutic Drug
Monitoring
Allow the sample to clot for 20 minutes in an
upright position. Centrifuge for 10 minutes
and transfer the serum to a properly labeled
pour-off tube.
Lavender Top (K3
EDTA)
Whole Blood
(EDTA)
Hematology
Immediately mix at least 10 times by
gentle inversion. Do not use for blood
heavy metals (e.g., lead), or ZPP.
Lavender
Purple
Royal Blue Top
Royal Blue
(Sodium Heparin
w/Green Label
Tube)
Blood Heavy Metals (e.g.,
Whole Blood
Arsenic, Lead, Mercury,
(Sodium Heparin)
Cadmium, Chromium,
Zinc)
Immediately mix at least 10 times by
gentle inversion. Do not centrifuge.
Tube Name
Sample Type
Royal Blue
w/Purple Label
Royal Blue Top
(EDTA)
Whole Blood
(Sodium Heparin)
Gray
Gray Top (Sodium
Flouride/Potassium
Oxalate)
Whole Blood
Collection Tube Color
Examples of Laboratory
Use*
Special Instructions
Blood Heavy Metals
NOT to be used for
Arsenic
Immediately mix at least 10 times by
gentle inversion. Do not centrifuge.
Blood Alcohol and Plasma
Glucose (e.g., Fasting and
2 Hour)
Immediately mix at least 10 times by
gentle inversion. Do not centrifuge.
Coagulation (e.g., PT and
PTT)
Process immediately. Mix at least 10 times by gentle
inversion. Centrifuge for a minimum of 15 minutes then
transfer the plasma to aproperly labeled plastic pour-off
tube. Freeze immediately. Assure that the sample
arrives frozen and within 24 hours.
COAGLATION NOTE
Light Blue
Light Blue Top
(Sodium Citrate)
Plasma (Citrate)
Whole Blood
Yellow
Yellow Top (ACD)
DNA
or
Plasma
See manual for individual test use.
HLA
* See Laboratory Manual for specific test requirements.
For additional testing assistance, please call:
CRL Client Support Specialists at 800-445-6917 Ext. 8815
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