| APTT | activated partial thromboplastin time | 活化部分凝血激酶时间 |
| APTT | Association of Part-Time Tutors | 兼职教师协会 |
| APTT | Association Of Part Time Tutors | 兼职教师协会 |
| APTT | Advanced Practical Thinking Training | 高级实践思维训练 |
| APTT | Accident Prevention Task Team | 事故预防工作组 |
| APTT | Automated Partial Thromboplastin Time | 自动部分凝血酶原时间 |
| APTT | Advanced Practical Thinking Training, Inc. | 高级实践思维训练公司。 |
| APTT | alum precipitated tetanus toxoid | 明矾沉淀破伤风类毒素 |
| APTT | activated coagulation time of whole blood | 全血活化凝血时间 |
| APTT | Activated Plasma Thromboplastin Time | 活化血浆凝血酶原时间 |