- Tachycardia
- Takayasu’s Arteritis
- Temporomandibular joint disorders (TMJ)
- Temporomandibular joint disorders (TMJ) disorders
- Tendinitis
- Tennis elbow
- Tension headache
- Testicular cancer
- Testicular torsion
- Testosterone (total)
- Tetanus
- Thalassemia
- Thoracic aortic aneurysm
- Thoracic outlet syndrome
- Throat cancer
- Thrombocytopenia
- Thrombocytosis
- Thrombophlebitis
- Thumb arthritis
- Thunderclap headaches
