EVACUATED TUBES (Order of draw and Anti-coagulant)

• ORDER OF DRAW (COLORS)

  1. Yellow
  2. Blue
  3. Red
  4. Purple
  5. Green
  6. Black
  7. Gray
• Gray


  Sodium Fluoride
• Black


  used for ESR (Erythrocyte sedimentation rate)
• Black


  Sodium Citrate
• Red


  None
• Blue


  Sodium Citrate
• Yellow


  SPS
• Purple


  EDTA (Ethylenediamine Tetraaceticacid)
• Green


  Heparin
• Gold


  Gel activator clot
• Number of inversions for yellow top

  1
• Number of inversions for blue top

  3 to 4
• Number of inversions for red top


  0
• Number of inversions for purple top

  8
• Number of inversions for gray top

  6 to 8
• Number of inversions for black top

  8
• Number of inversions for green top

  8