| Code | Display | Definition |
| ABOINC | ABO Incompatible Transfusion Reaction | ABO Incompatible Transfusion Reaction |
| ACUTHEHTR | Acute Hemolytic Transfusion Reaction | Acute Hemolytic Transfusion Reaction |
| ALLERGIC1 | Allergic Reaction - First | Allergic Reaction - First |
| ALLERGIC2 | Allergic Reaction - Recurrent | Allergic Reaction - Recurrent |
| ALLERGICR | Allergic Reaction - Repeating | Allergic Reaction - Repeating |
| ANAPHYLAC | Anaphylactic Reaction | Anaphylactic Reaction |
| BACTCONTAM | Reaction to Bacterial Contamination | Reaction to Bacterial Contamination |
| DELAYEDHTR | Delayed Hemolytic Transfusion Reaction | Delayed Hemolytic Transfusion Reaction |
| DELAYEDSTR | Delayed Serological Transfusion Reaction | Delayed Serological Transfusion Reaction |
| GVHD | Graft vs Host Disease - Transfusion - Associated | Graft vs Host Disease - Transfusion - Associated |
| HYPOTENS | Non-hemolytic Hypotensive Reaction | Non-hemolytic Hypotensive Reaction |
| NONHTR1 | Non-Hemolytic Fever Chill Transfusion Reaction - First | Non-Hemolytic Fever Chill Transfusion Reaction - First |
| NONHTR2 | Non-Hemolytic Fever Chill Transfusion Reaction - Recurrent | Non-Hemolytic Fever Chill Transfusion Reaction - Recurrent |
| NONHTRREC | Non-Hemolytic Fever Chill Transfusion Reaction - Repeating | Non-Hemolytic Fever Chill Transfusion Reaction - Repeating |
| NONIMMUNE | Non-Immune Hemolysis | Non-Immune Hemolysis |
| NONSPEC | Non-Specific, Non-Hemolytic Transfusion Reaction | Non-Specific, Non-Hemolytic Transfusion Reaction |
| NORXN | No Evidence of Transfusion Reaction | No Evidence of Transfusion Reaction |
| PTP | Posttransfusion Purpura | Posttransfusion Purpura |
| VOLOVER | Symptoms most likely due to volume overload | Symptoms most likely due to volume overload |