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63 Cards in this Set
- Front
- Back
What color is used to identify blood collection tubes containing citrate?
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light blue
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How does citrate keep blood from clotting?
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it binds calcium
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what laboratory test require blood collected in citrate tube?
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coagulation
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why is it important to allow citrate tube to fill completely?
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less than full can change the results
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what position in order of draw is the citrate tube?
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second after sterile
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why citrate not available for microcollection?
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because coagulation process is activated during dermal puncture
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What color tubes contain EDTA used by hematology?
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lavender
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What does EDTA stand for?
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ethylene diamine tetra acetic acid
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How does EDTA prevent blood from clotting?
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it binds with calcium
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what tests require blood collected in an EDTA tube?
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hematology
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What position is lavender EDTA tubes collected?
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after green heparin
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what position in microcollection is the EDTA?
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first during capillary puncture
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what color is EDTA used by the blood bank?
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pink
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why is pink EDTA tube used by the blood bank
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label contains lines for additional info. required by AABB
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what tests does transfusion service section of the blood bank perform on pink EDTA tubes?
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blood bank
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what position in order of draw is pink EDTA collected?
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after lavender EDTA
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which position in order of draw for microcollection is pink EDTA
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after lavender
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what color is used for blood tubes containing heparin
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green
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how does heparin keep blood from clotting
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by inactivating thrombin
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what test required blood collected from heparin tube?
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chemistry
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what position in order of draw are heparin tubes
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after SST and PST
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what position in microcollection should heparin be collected
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after EDTA tubes
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what color is used for tubes that are plastic and do not contain additives or are glass and contain a clot activator?
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red
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what color tubes besides red do not contain any additives?
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red/grey, or clear/red
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what tests require blood collected in tubes without additives
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chemistry
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what position in order of draw are red tubed collected
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after citrate tubes
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what position in order of draw are microcollection red tubes collected
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last
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what colors are used to identify PST collection tubes?
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green mint or black marbled
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what does PST stand for?
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plasma separating tube
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what is the purpose of thixotropic gel?
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to separate cells from plasma during centrifugation
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what additive is present in PST tubes?
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heparin
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what laboratory tests require blood collected in a PST tube?
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chemistry
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what position in order of draw are PST tubes collected?
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after serum separator
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which position in order of draw for microcollection are PST tubes collected
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after green heparin
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why is tube available in amber
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to keep out light
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what colors are used to identify SST blood collection tubes?
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gold or red/black marbled
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what does SST stand for?
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serum separator tube
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what is the purpose of thixotropic gel?
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when centrifuged it forms a barrier between the serum and the cells
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what additive is present is SST tubes?
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serum separator gel and clot activator
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what test are performed on blood collected in SST tubes?
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chemistry
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what position in the order of draw are SST tubes collected?
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after non-additive
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which position in the order of draw are microcollection SST tubes drawn?
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after the grey tubes and just before non-additive
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why is microcollection tube available in amber?
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when specimen needs to be protected from light
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what color is used for tubes containing sodium fluoride and potassium oxalate?
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grey
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what is the purpose of sodium fluoride
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preserves glucose
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what is the purpose of potassium oxalate?
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prevents clotting by binding calcium
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what tests are performed on grey tubes?
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chemistry/alcohol, glucose, lactate
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which position on order of draw is the grey tube?
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last
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which position in microcollection is the grey tube
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after PST and before SST
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what color is used for tubes containing SPS or ACD?
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yellow
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what does SPS stand for?
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sodium polyanethol sulfonate
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what blood tests are performed on SPS tubes?/
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microbiology/blood bank
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what does ACD stand for?
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acid citrate dextrose
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what blood test are performed on blood collected in yellow ACD tubes?
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microbiology/blood bank
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what color is used to identify lead-free blood collection tubes?
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tan
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what additive is present in tan lead-free tubes
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EDTA
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what tests are performed on tan lead-free tubes
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chemistry/lead
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what color is used for trace element-free blood collection tubes?
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royal blue
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what additive is present in trace element-free blood collection tubes?
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EDTA
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what lab tests are performed on royal blue tubes
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chemistry/ trace elements
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what color is used to identify blood collection tubes containing thrombin that have a splash guard cap
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orange
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what is the purpose of thrombin
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to promote quick clot formation
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what laboratory tests are performed on blood collected in orange tube
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chemistry/STAT
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