| Code | Description | Comment | Version |
| ACDA | ACD Solution A | Yellow top tube | added v2.5 |
| ACDB | ACD Solution B | Yellow top tube | added v2.5 |
| ACET | Acetic Acid | Urine preservative | added v2.5 |
| AMIES | Amies transport medium | Protozoa | added v2.5 |
| BACTM | Bacterial Transport medium | Microbiological culture | added v2.5 |
| BF10 | Buffered 10% formalin | Tissue | added v2.5 |
| BOR | Borate Boric Acid | 24HR Urine Additive | added v2.4 |
| BOUIN | Bouin's solution | Tissue | added v2.5 |
| BSKM | Buffered skim milk | Viral isolation | added v2.5 |
| C32 | 3.2% Citrate | Blue top tube | added v2.4 |
| C38 | 3.8% Citrate | Blue top tube | added v2.4 |
| CARS | Carson's Modified 10% formalin | Tissue | added v2.5 |
| CARY | Cary Blair Medium | Stool Cultures | added v2.5 |
| CHLTM | Chlamydia transport medium | Chlamydia culture | added v2.5 |
| CTAD | CTAD (this should be spelled out if not universally understood) | Blue top tube | added v2.5 |
| EDTK | Potassium/K EDTA | Deprecated. Replaced by EDTK15 and EDTK75 | added v2.4 |
| EDTK15 | Potassium/K EDTA 15% | Purple top tube | added v2.5 |
| EDTK75 | Potassium/K EDTA 7.5% | Purple top tube | added v2.5 |
| EDTN | Sodium/Na EDTA | Dark Blue top tube | added v2.4 |
| ENT | Enteric bacteria transport medium | Bacterial culture | added v2.5 |
| ENT+ | Enteric plus | Stool Cultures | added v2.5 |
| F10 | 10% Formalin | Tissue preservative | added v2.5 |
| FDP | Thrombin NIH; soybean trypsin inhibitor (Fibrin Degradation Products) | Dark Blue top tube | added v2.5 |
| FL10 | Sodium Fluoride, 10mg | Urine | added v2.5 |
| FL100 | Sodium Fluoride, 100mg | Urine | added v2.5 |
| HCL6 | 6N HCL | 24 HR Urine Additive | added v2.4 |
| HEPA | Ammonium heparin | Green top tube | added v2.5 |
| HEPL | Lithium/Li Heparin | Green top tube | added v2.4 |
| HEPN | Sodium/Na Heparin | Green top tube | added v2.4 |
| HNO3 | Nitric Acid | Urine | added v2.5 |
| JKM | Jones Kendrick Medium | Bordetella pertussis | added v2.5 |
| KARN | Karnovsky's fixative | Tissue | added v2.5 |
| KOX | Potassium Oxalate | Gray top tube | added v2.5 |
| LIA | Lithium iodoacetate | Gray top tube | added v2.5 |
| M4 | M4 | Microbiological culture | added v2.5 |
| M4RT | M4-RT | Microbiological culture | added v2.5 |
| M5 | M5 | Microbiological culture | added v2.5 |
| MICHTM | Michel's transport medium | IF tests | added v2.5 |
| MMDTM | MMD transport medium | Immunofluorescence | added v2.5 |
| NAF | Sodium Fluoride | Gray top tube | added v2.5 |
| NAPS | Sodium polyanethol sulfonate 0.35% in 0.85% sodium chloride | Yellow (Blood Culture) | added v2.5 |
| NONE | None | Red or Pink top tube | added v2.5 |
| PAGE | Pages's Saline | Acanthaoemba | added v2.5 |
| PHENOL | Phenol | 24 Hr Urine Additive | added v2.5 |
| PVA | PVA (polyvinylalcohol) | O&P | added v2.5 |
| RLM | Reagan Lowe Medium | Bordetella pertussis cultures | added v2.5 |
| SILICA | Siliceous earth, 12 mg | Gray top tube | added v2.5 |
| SPS | SPS(this should be spelled out if not universally understood) | Anticoagulant w/o bacteriocidal properties | added v2.5 |
| SST | Serum Separator Tube (Polymer Gel) | 'Tiger' Top tube | added v2.5 |
| STUTM | Stuart transport medium | Bacterial culture | added v2.5 |
| THROM | Thrombin | Orange or Grey/Yellow (STAT Chem) | added v2.5 |
| THYMOL | Thymol | 24 Hr Urine Additive | added v2.5 |
| THYO | Thyoglycollate broth | Bacterial Isolation | added v2.5 |
| TOLU | Toluene | 24 Hr Urine Additive | added v2.5 |
| URETM | Ureaplasma transport medium | Ureaplasma culture | added v2.5 |
| VIRTM | Viral Transport medium | Virus cultures | added v2.5 |
| WEST | Buffered Citrate (Westergren Sedimentation Rate) | Black top tube | added v2.5 |