Chapter adapted and updated, with permission, from Nicoll D et al. Guide to Diagnostic Tests, 7th ed. McGraw-Hill, 2017.
Table e7–3.Commonly used blood specimen collection tubes. ||Download (.pdf) Table e7–3. Commonly used blood specimen collection tubes.
|Tube ||Tube Contents ||Typical Use |
|Lavender or Pink ||K2EDTA ||CBC (whole blood); blood banking (plasma); molecular testing (cell-based); flow cytometry (immunophenotyping) |
|Gold SST ||Clot activator and gel for serum separation ||Serum chemistry tests |
|White PPT ||K2EDTA and gel for plasma separation ||Molecular testing (plasma-based) |
|Plain red ||None ||Blood banking (serum); therapeutic drug monitoring |
|Blue ||Sodium citrate ||Coagulation studies |
|Gray ||Inhibitor of glycolysis (sodium fluoride) ||Lactic acid; glucose |
|Green PPT, Light green PPT ||Sodium heparin or lithium heparin (green PPT, without gel; light green PPT, with gel for plasma separation) ||Plasma chemistry tests (light green PPT); chromosome analysis (sodium heparin) (green PPT) |
|Yellow ||ACD (acid citrate dextrose) ||ACD: HLA typing; blood banking (plasma); flow cytometry (immunophenotyping) |
|SPS (sodium polyanethol sulfonate) ||SPS: Blood culture (microbiology) |
|Dark navy blue ||Clot activator (trace metal free) ||Trace metals (eg, lead, mercury, arsenic) |
|Orange RST ||Thrombin and gel for serum separation ||Serum chemistry tests |
|Black ||Sodium citrate ||ESR (with sodium citrate) |
|None (plain, sterile black screw top) ||Body fluids for microbiology (plain, sterile black screw top) |