Microcapillary Tubes Order of Draw

Order of Draw for Microcapillary Tubes

The recommended order of draw for capillary blood collection is different from blood specimens drawn by venipuncture. The Clinical and Laboratory Standards Institute recommends the following order of draw for skin puncture. ​​​​​​​

  • Blood gases

  • EDTA tubes

  • Other additive tubes

  • Serum tubes