- Thyroid stimulating immune globulins (thyroid related protein) level
- Thyroxine (thyroid chemical) measurement - Free Thyroxine
- Thyroxine (thyroid chemical) measurement - Total
- Tilt table test to evaluate heart (for unexplained fainting)
- Tonsillectomy and adenoidectomy; age 12 or over
- Tonsil removal (patient 12 and over)
- Tonsil removal (patient under 12)
- Total hip replacement
- Total knee replacement
- Total protein level, blood
- Total Protein Level, Urine
- Total removal of breast
- Total shoulder replacement
- Total thyroid lobectomy, unilateral
- Transfusion of Blood or Blood Products
- Transplant of outer layer of corneal tissue
- Transrectal ultrasound
- Trapped inguinal hernia repair (age over 5)
- Treatment of acromioclavicular dislocation
- Treatment of bimalleolar ankle fracture
- Treatment of clavicular fracture
- Treatment of forearm (radius or ulna) fracture
- Treatment of metatarsal fracture
- Treatment of shoulder dislocation without anesthesia
- Treatment of tarsometatarsal joint dislocation
- Treponema pallidum antibody test
- Triglycerides level
- Troponin (protein) analysis
- Tuberculosis Test
- Tumor imaging, positron emission tomography (PET) with concurrently acquired computed tomography (CT) for attenuation