The Order of Draw Series: Part Five - EDTA Tubes
This week, we're examining EDTA tubes and discovering why the most commonly drawn tube in many facilities must wait until the fifth position despite its frequent use
Shanise Keith, February 03, 2026
Archives for February, 2026
The Order of Draw Series: Part Six - Potassium Oxalate & Sodium Fluoride Tubes
After blood cultures, coagulation tubes, serum tubes, heparin tubes, and EDTA tubes, we arrive at the final tube in the standard order of draw, the gray top.
Shanise Keith, February 10, 2026
The Bloody Truth About Valentine's Day
This week we learn about Lupercalia, an ancient tradition with a blood sacrifice.
Shanise Keith, February 17, 2026
Blood Draws After Mastectomy: What New Research Shows
This post is part of an ongoing series where I answer questions from readers and students.
Shanise Keith, February 24, 2026