Order of Draw Flashcards
What is the first tube color in the order of draw?
Blood culture tubes
True or False: The order of draw is important to avoid cross-contamination of additives.
True
Fill in the blank: The second tube color in the order of draw is _____ tubes.
Light blue
What additive is found in a lavender tube?
EDTA
Which tube color is used for serum tests?
Red
What is the primary purpose of the order of draw?
To prevent contamination of samples
Which tube should be drawn last when performing a venipuncture?
Gray tube
True or False: The green tube contains heparin as an additive.
True
List the first four tube colors in the order of draw.
Blood culture, light blue, red, gold
What is the third tube color in the order of draw?
Red
Which tube color contains sodium citrate?
Light blue
Fill in the blank: The _____ tube is used for glucose testing.
Gray
What is the fourth tube color in the order of draw?
Gold
True or False: Serum separator tubes (SST) are part of the order of draw.
True
Which tube is typically used for coagulation studies?
Light blue
What additive is found in the gray tube?
Sodium fluoride
Which tube should be drawn before the lavender tube?
Green tube
What is the fifth tube color in the order of draw?
Green
True or False: The order of draw is the same for all blood collection procedures.
False
What tube color is used for chemistry tests?
Red/Gold
Fill in the blank: The _____ tube is typically used for hematology tests.
Lavender
What color tube is used for blood bank tests?
Pink
What is the last tube color in the order of draw?
Gray
Which tube color contains no additives?
Red
What is the correct order of draw starting from the first tube?
Blood culture, light blue, red, gold, green, lavender, pink, gray
True or False: The order of draw can vary based on the laboratory protocol.
True
What is the main reason to follow the order of draw?
To ensure accurate test results
What is the purpose of Blood Cultures?
Blood Cultures (bacterial and/or fungal), (If AFB specified, call the lab for instructions)
What is the purpose of the Light Blue (Plasma)/Partial Draw Top?
Protime
PTT
Fibrinogen
Coagulation Studies
What is the purpose of the Gold with Gel Barrier (Serum)?
CMP, Lipid Profile
Hepatitis Profiles
HIV
Thyroid Profiles
Therapeutic drugs
What kind of Additive does Green/Light Green have?
Green: Lithium Heparin, Lithium Heparin Sep
Light Green: Sodium Heparin
What is the purpose of the Lavender Tube?
CBC (Complete Blood Count)
ESR (SED Rate)
Hemoglobin A1C
What is the purpose of the Pink Tube (plasma/Whole Blood)?
ARO/Rh
What is the purpose of the Grey Tube (plasma)?
Glucose Testing
What is the purpose of the Yellow (whole Blood)?
Special Testing
What Additives do Blood Cultures have?
Culture Medium
What Additives do Light Blue (Plasma)/Partieal Draw Top have?
Sodium Citrate 3.2%
What Additives do Red (serum) tubes have?
Clot Activator (no gel)
What Additives do Gold with Gel Barrier (serum) tubes have?
Clot activator
Gel Serum
Separator
What Additives do Lavender (plasma/ whole blood) tubes have?
EDTA K2
What Additives do Pink (plasma/ whole Blood) tubes have?
EDTA K2
What Additives do Grey (plasma) tubes have?
Sodium Fluoride/Potassium Oxalate
What Additives do Yellow (whole blood) tubes have?
ACD Solution
