Order of Draw
Tube Additives & Tests
Patient Interaction & Safety
Special Procedures
Troubleshooting & Errors
100

What is the first tube in the order of draw when using a multi-tube collection?

Yellow (SPS)

100

What additive is in the lavender-top tube and what test is it commonly used for?

EDTA - CBC, Sed Rate, HgbA1c

100

What is the first step in the patient identification process?

Ask the patient to state and spell their full name and date of birth

100

What is the most common site for a heel stick on a newborn?

plantar lateral medial surface

100

What law protects patient privacy and personal health information?

HIPAA

200

What tube color is drawn just before lavender?

Green 

200

Which tube is used for PT/INR testing?

Light Blue (Sodium Citrate) 

200

What should you do if a patient refuses a blood draw?

Respect the refusal and notify the nurse or physician (document) 

200

What does a blood culture test screen for?

Presence of bacteria or infection in the blood

200

What type of consent is given when a patient extends their arm for a blood draw?

Implied consent

300

Why is the order of draw important in phlebotomy?

To prevent cross-contamination of additives

300

Which tube has no additive and is used for serum testing?

Red-Top 

300

What is the purpose of wearing gloves during venipuncture?

To protect both the patient and the phlebotomist from bloodborne pathogens

300

At what age is a newborn screening test typically performed?

24 to 48 hours after birth

300

True or False: A phlebotomist can share test results with a patient’s family without written consent.

False 

400

What is the correct order of draw for the following tubes: Light Blue, Red, Lavender, Green?

Light Blue → Red → Green → Lavender

400

Which tube contains heparin and is commonly used for electrolyte or stat chemistry tests?

Green (Heparin tube) 

400

What is the minimum number of patient identifiers required before performing a blood draw?

Two (e.g., full name and DOB)

400

When drawing from an ER trauma patient with IVs in both arms, where should you attempt collection?

Below the IV site, have the nurse d/c the line for 1-2 min. 

400

What is the term for touching a patient without consent?

Battery 

500

Daily Double - Order of Draw for STAT collection

CMP, PT/INR, CBC

Lt. Blue, Green, Lavender 

500

What is the additive in the gray tube, and what test is it typically used for?

Potassium oxalate and sodium fluoride – Glucose testing

500

What action must be taken immediately if a phlebotomist is accidentally stuck with a needle?

Wash the area for min 15-30 seconds, report the incident, and follow exposure protocol

500

Daily Double - What is a common pre-analytical error that can affect potassium? 

Hemolysis due to improper technique or vigorous shaking of tubes.

500

A phlebotomist receives a STAT lab order for a patient but notices the requisition form has a different patient name than the ID band. What should the phlebotomist do?

Do not proceed with the draw and immediately report the discrepancy to the ordering provider.