Laboratory Tube Collection

LABORATORY TUBE COLLECTION QUICK REFERENCE GUIDE

Chemistry

Marble or Gold (SST)
  • Additive: Clot activator and gel for serum separation.

  • Inversions: 5 tube inversions required.

  • Clotting Time: 30 minutes.

  • Tests Commonly Associated:

    • Chemistry Profiles.

    • Electrolytes.

    • Lipid Panel.

    • Hepatic Panel.

    • Hepatitis Panel.

    • Thyroid Studies.

    • Iron Studies.

    • Cancer Markers.

    • Lithium.

    • Alcohol.

    • Vitamin B12.

    • Vitamin D.

    • Hormone Studies.

    • Cardiac Markers.

    • Lidocaine.

    • Folate.

    • Therapeutic Drugs (Except Carbamazepine).

    • Tricyclic Antidepressants.

    • Salicylate.

    • Homocysteine (ON ICE).

Red (Silicone coated glass)
  • Additive: None.

  • Inversions: No tube inversions required.

  • Clotting Time: 60 minutes.

  • Tests Commonly Associated:

    • Rheumatoid Factor.

    • Prealbumin.

    • RPR

    • Uric Acid.

    • PTH.

    • Insulin.

    • Magnesium.

    • BHCG.

    • FT3/FT4.

    • Digoxin.

    • Amylase.

    • Lipase.

    • Cortisol.

    • CRP.

    • C-Peptide.

Light Green
  • Additive: Lithium heparin and gel for plasma separation (Preferred for STAT General Chemistry requests).

  • Inversions: 8 tube inversions required.

  • Clotting Time: No clotting time required.

  • Tests Commonly Associated:

    • Chemistry Profiles.

    • Rheumatoid Factor.

    • Ionized Calcium.

    • Ammonia (ON ICE).

    • Lipid Panels.

    • Hepatic Panel.

    • Therapeutic Drugs (Except for VANC & LITHIUM).

    • BHCG Quant.

    • Cardiac Markers.

Green
  • Additive: Lithium heparin (Preferred for STAT General Chemistry requests).

  • Inversions: 8 tube inversions required.

  • Clotting Time: No clotting time required.

  • Note: Tests listed above for the light green tube are acceptable for this tube.

Gray

  • Additive: Sodium Fluoride/Potassium Oxalate.

  • Inversions: 8 tube inversions required.

  • Clotting Time: No clotting time required.

  • Tests Commonly Associated:

    • Carbamazepine (Avoid SST® blood collection tube is preferred).

    • Lactic Acid - Whole Blood (NOT on ice).

    • Lactic Acid (ON ICE)

Hematology

Purple
  • Additive: Spray-coated K2EDTA (plastic).

  • Inversions: 8 tube inversions required.

  • Clotting Time: No clotting time required.

  • Tests Commonly Associated:

    • CBC/PLT Count.

    • H&H

    • SED Rate.

    • BNP.

    • HGBA1C.

    • Cyclosporin.

    • Vancomycin.

    • HIV.

    • Sickle Cell.

    • Retic.

    • Path Review.

    • Intraop PTH.

    • Direct Coombs.

    • RBC Folate.

    • Prograf.

    • CD3/CD4.

Blood Bank

Pink
  • Additive: Spray-coated K2EDTA (plastic).

  • Inversions: 8 tube inversions required to prevent clotting.

  • Clotting Time: No clotting time required.

  • Tests Commonly Associated:

    • Antibody Screen.

    • Crossmatch.
      *Note: RED BLOOD BANK ARMBAND MUST BE COMPLETED AND ATTACHED TO THE PINK TOP!! GLASS RED TOP IS ALSO REQUIRED WHEN A TYPE & SCREEN/CROSSMATCH IS REQUESTED

    • Type & Rh.

    • Type & Screen.

Coagulation

Blue
  • Additive: Buffered sodium citrate

    • 0.105 M (=3.2%) glass.

    • 0.109 M (3.2%) plastic.

  • Inversions: 3-4 tube inversions required.

  • Clotting Time: No clotting time required.

  • Tests Commonly Associated:

    • PT/INR.

    • PTT.

    • Fibrinogen.

    • D-dimer.

    • Rhogam Workup.

    • Special Coag & Factor Assays (CALL LAB PRIOR TO COLLECTION).
      *PFA-2 GLASS 4.5ML TUBES.DO NOT SEND VIA TUBE SYSTEM

Royal Blue

Clear/Blue
  • Additive: K2EDTA (plastic).

  • Inversions: 8 tube inversions required.

  • Clotting Time: No clotting time required.

  • Tests Commonly Associated:

    • Lead.

    • Mercury.

    • Aluminum-Plasma.

Royal Blue
  • Additive: Clot Activator (plastic serum).

  • Inversions: 8 tube inversions required.

  • Clotting Time: 30 minutes.

  • Tests Commonly Associated:

    • Zinc.

Specimen Labeling Requirements

  • Patient must be identified utilizing two patient identifiers (i.e. first and last name & date of birth).

  • All specimens must be labeled in the presence of the patient.

  • The following components must be completed, as applicable:

    • Name: DOE, JANE

    • Date of Birth: 01/21/1949

    • Date of Collection: 09/28/2012

    • Time: 14:52

    • Collected By: PEGGY PHLEBOTOMIST

    • Source (If Applicable): BLOOD, URINE, CSF, Etc.

Order of Draw

  1. Sterile (bottles)

  2. Citrate (light blue top tube)

  3. Serum (red top tube)

  4. Heparin (green)

  5. EDTA (purple)

  6. Oxalate (gray)