Order of Draw and Blood Collection Flashcards
Antiseptic
substances used to prevent the presence of microorganisms or their toxic products within the bloodstream. Most common is 70% isopropyl. Safe for human skin
Disinfectants
remove or kill microorganisms on surfaces and instruments. Examples used in lab 10% Bleach solutions. NOT safe for human skin
Hand Sanitizer
an antiseptic alternative when hands are not visibly soiled.
General Blood Collection Equipment
Gauze pads, bandages, slides, pen, watch, Patient ID equipment, tourniquet, Needles
Needle Gauge
the bigger the gauge number the smaller the diameter and size of the needle. Most common needles are 20 to 23 gauge-needles
Bevel
the slanted cut of the venipuncture needle that pierces the vein
Shaft
The long cylindrical portion of the venipuncture needle
Hub
the end of the venipuncture needle that attaches to the blood collection device
Lumen
the internal space of the venipuncture needle
ETS
Evacuated Tube System. A closed system where the patient’s blood flows through a needle inserted into a vein without contamination
Light Blue Stopper
Additives: Sodium Citrate
Sample Type: Plasma
Ex Test: PT, APTT
Department: Coagulation
Invert 3-4x
Must be filled 90% for accurate readings
Red Stopper
Additives: None (glass), clot activator (plastic)
Sample Type: Serum
Ex Test: Lithium, Phenytoin, Theophylline
Department: Chem, Blood Bank, Serology/Immunology
Invert 5-10x
Green Stopper
Additives: Lithium heparin or Sodium heparin
Sample Type: Plasma or Whole Blood
Ex Test: Glucose, Cholesterol, Lipid Panel, Liver Panel, Chem 7
Department: Chem
Invert 5-10x
Lavender Stopper
Additives: EDTA
Sample Type: Whole Blood
Ex Test: Hemoglobin, hematocrit, CBC, ESR
Department: Hematology
Invert 8-10x
Pink Stopper
Additives: EDTA
Sample Type: Whole Blood
Ex Test: Blood Typing, Crossmatch
Department: Blood Bank
Invert 8-10x
Grey Stopper
Additives: Sodium fluoride and Potassium oxalate
Sample Type: Whole Blood or Plasma
Ex Test: Glucose
Department: Chem
Invert 8-10x
Orange Stopper
Additives: Thrombin
Sample Type: Serum
Ex Test: Glucose, Cholesterol, Lipid Panel, Liver Panel, Chem 7
Department: Chem
Invert 5-10x
Royal Blue Stopper
Additives: None, EDTA, or Sodium Heparin
Sample Type: Serum, Whole Blood/Plasma, Plasma
Ex Test: Chem 7
Department: Chem
Invert 8-10x
Yellow Stopper
Additives: SPS ( sodium polyanethanol sulfonate) or ACD ( acid citrate dextrose)
Sample Type: Whole Blood or Plasma
Ex Test: Blood Cultures
Department: Micro (SPS) Blood Bank/Immunohematology (ACD)
Invert 8x
Light Green Stopper
Additives: Lithium heparin and gel separator
Sample Type: Plasma
Ex Test: Glucose, Cholesterol, Lipid Panel, Liver Panel, Chem 7
Department: Chem
Invert 5-10x
Red/Black or Gold Stopper
Additives: Clot activator and gel separator
Sample Type: Serum
Ex Test: Chem 7
Department: Chem
Anticoagulants
substances that prevent blood from clotting by precipitating calcium or inhibiting formation of thrombin
Ex: EDTA, Citrates, Heparin, Oxalates, ACD, CPD, and SPS
Clot Activators
a substance that enhances coagulation in tubes.
Order of Draw
- BC
- Sodium Citrate
- Serum tubes with or without clot activator or gel
- Heparin tube with or without gel
- EDTA tube with or without gel separator
- Sodium Fluoride/Potassium oxalate glycolytic inhibitor
Mnemonic :
Stop Light Red Stay Put Green LEts Go