Perform a Venipuncture Collect a Venous Blood Sample Using the Vacuum Tube Method

Venous Blood Specimen Collection Procedure

Introduction to the Procedure

• The procedure begins with an overview of collecting a venous blood specimen using the vacuum tube technique, emphasizing the importance of following provider orders and clarifying any questions.

• It is crucial to gather appropriate tubes as specified on the requisition form along with all necessary supplies before starting.

Patient Identification and Preparation

• Verify the patient's identity using three identifiers: full name, date of birth, and last name spelling or photo ID.

• Explain the procedure to the patient (Tina), ensuring she understands what will happen and obtaining her permission for venipuncture.

Selecting the Venipuncture Site

• Ask the patient if she has a preference for which arm to use; assess both arms for vein accessibility.

• Apply a tourniquet around 3-4 inches above the elbow without restricting arterial blood flow; it should not remain in place longer than 60 seconds.

Performing Venipuncture

• Cleanse the selected site with an alcohol pad in a circular motion from center outward before assembling equipment.

• Insert the needle at a 15 to 20-degree angle into the vein while anchoring it properly with your non-dominant hand.

Collecting Blood Samples

• Once in position, push vacuum tubes onto the double-pointed needle without moving it; allow each tube to fill completely.

• After filling all required tubes, gently invert them to mix additives with blood before releasing the tourniquet prior to needle removal.

Post-Venipuncture Care

• Apply pressure over puncture site after removing needle and engage safety device; instruct patient on how to apply pressure effectively.

• Label all tubes accurately with patient's information and ensure proper disposal of contaminated materials in biohazard waste containers.

Final Steps

• Complete laboratory requisition forms and document all procedures performed in patient's record for future reference.