CCMA Module 8: Phlebotomy general terms
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| Laboratory requisition form includes: | Ordering provider's name & contacts
Test & Test code
Diagnosis code (ICD-10)
Special specimen requirements i.e. fasting
Patient demographics
Insurance/billing info
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| Phlebotomy Supplies | Alcohol wipes, gauze, adhesive bandages (wrap), biohazard sharps container, PPE (including disposable gloves), tourniquet, collection tubes, needle system
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| Lumen | Hollow space inside the needle AKA gauge.
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| Bevel | Shaft at the end of the needle that creates the point.
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| Which hand should the needle be held in for venipuncture? | Dominant hand
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| Where should the supply tray be during venipuncture? | Opposite of the dominant hand (on the nondominant side)
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| What is blood composed of? | Plasma, RBCs, WBCs, platelets
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| Plasma makes up ____% of blood | 55%
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| RBCs (Erythrocytes) make up ____% of blood | 45%
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| WBCs and platelets make up ____% of blood | <1%
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| Serum | Liquid portion of the blood obtained after a serum sample tube has clotted and centrifuged. Does NOT contain clotting factors.
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| Plasma | Liquid portion of blood obtained after centrifuging. Contains clotting factors.
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| Clotted blood | Blood is drawn in a tube that does not contain an anticoagulant.
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| Whole blood | Obtained when a tube is used with an anticoagulant.
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| Blood tubes should be_______ | Filled completely, some tubes will have a minimum fill indicator line (i.e. light blue).
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| What vein is preferred for venipuncture? | Median cubital vein (within the antecubital space)
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| What are alternative veins for venipuncture? | Cephalic vein (radius side), basilic vein (ulna side)
These veins are found on either side of the median cubital vein.
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| What are alternative places for venipuncture? | Back of the hand, wrist, and foot (venipuncture of the foot should only be done under provider supervision
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| Tourniquets should be applied | 3-4 inches above the draw site
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| A tourniquet should not be left on for___________ | longer than 1 minute (may cause hemoconcentration if left in place longer than 1 minute)
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| Site restrictions | Certain medical conditions require specific blood draw procedures, i.e. fistulas, ports, or mastectomy.
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| After cleansing with an antiseptic wipe, the venipuncture site must______________ | be left to air dry. Tourniquet must be reapplied after site is dry.
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| Anchoring veins | Grasp the skin 2-3 inches below puncture site
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| Needle angle | The needle must be inserted at a 15-30 degree angle with the bevel facing upward.
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| Capillary punctures | Performed only when a small amount of blood is needed for testing, or for immediate results.
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| Capillary puncture supplies | Gloves, automatic retractable lancet, disinfectant pads (70% isopropyl alcohol), clean gauze pads. bandage, appropriate blood collection device, capillary tube sealer, biohazard sharps container
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| Capillary puncture blood collection devices | Micropipette, small glass tube (capillary tube), micro-collection devices, glucometer and testing strip, screen card or paper, plastic cartridge, or cassette
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| Capillary puncture site: Adults | Preferred puncture site is the middle or ring finger of the nondominant hand.
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| Capillary puncture site: Infants | Performed on the outer edge of the underside of the heel.
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| First drop of blood is wiped away during a capillary puncture unless ________________ | performing a prothrombin time (PT) test
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| Bandaging procedures | Bandaging must be left in place for a minimum of 15 minutes.
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Created by:
Tea Lad
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