This highly detailed full-color laminated poster depicts acceptable venipuncture and skin puncture sites for blood sample collection. This revision depicts the two most common anatomical variations of veins as they pass through the antecubital, i.e., the "H" and the "M" configurations. Approximate locations of nerves, veins, and the brachial artery as they pass through the antecubital area are identified and accompanied by detailed text that discusses the precautions all specimen collection personnel must know when drawing blood for clinical testing to prevent patient injury. A section on alternative venipuncture sites discusses mastectomy patients, foot/ankle veins, and other alternatives. All text and illustrations reflect the current standards of the Clinical and Laboratory Standards Institute and the Infusion Nurse's Society. This 17" x 22" laminated poster is designed to be posted in classrooms, laboratories, medical offices, healthcare facilities, and other specimen collection environments.