Phlebotomy Flashcards
What is a key step in proper specimen handling?
Labeling of specimen containers
Mislabeling can lead to laboratory errors.
When should blood collection tubes be labeled?
Immediately after the procedure is completed
Before moving the tubes away from the procedure area.
What should be included on a handwritten specimen label?
- Patient’s full name
- Date of birth
- Date and time of collection
- MA’s initials
What is the first step to beginning any phlebotomy procedure?
Obtaining the provider’s order for laboratory testing
What identifiers should be used when identifying a patient?
Two patient identifiers, usually the patient’s full name and date of birth
What information is included on a laboratory requisition form?
- Ordering provider’s name and contact information
- Test and test code
- Diagnosis code (ICD-10)
- Special specimen requirements
- Patient demographics
- Insurance or billing information
What is the preferred method of blood collection for infants and young children?
Capillary punctures
Where is the preferred puncture site for obtaining a capillary puncture in adults?
The middle or ring finger of the nondominant hand
What should be done to the site before performing a capillary puncture?
Cleanse the area with a 70% isopropyl alcohol pad and allow it to air-dry
What is the preferred vein for venipuncture in the antecubital space?
The median cubital vein
What should be done if the median cubital vein is not accessible?
Consider the cephalic vein or basilic vein as alternatives
What is a critical lab result?
A lab result indicating a life-emergency for the patient if immediate intervention does not occur
How should abnormal or out-of-range lab results be handled?
Notify the ordering provider immediately and document the notification
What are some common handling instructions for blood specimens?
- Centrifugation requirements
- Proper storage temperature
- Light exposure guidelines
What is crucial for the accuracy of testing in specimen processing?
Time management
Fill in the blank: Capillary blood is a mixture of blood from _______.
[arterioles, venules, capillaries, and intracellular and interstitial fluids]
True or False: Blood draws from the foot can be performed without supervision.
False
What should be done to aid in hemostasis if there is excessive blood flow from the puncture site?
Elevate the arm over the level of the heart
What might indicate the need for immediate action when receiving lab results?
An out-of-range result
What should a medical assistant do if they receive critical lab values?
Follow their organization’s policy on reporting
